Rolling toy and axle arrangement

Claim 2

A male axle member, having a predetermined male axis and comprising, in combination: a male shoulder portion having a preselected outer diameter; a bearing portion coupled to said male shoulder portion and extending axially therefrom a first predetermined axial distance and having a predetermined outer diameter defining an outer surface and smaller than said preselected outer diameter of said male shoulder portion; a coupling portion coupled to said bearing portion and extending axially therefrom a second predetermined axial distance and having a predetermined outer diameter defining an outer surface and smaller than said preselected outer diameter of said bearing portion; and a headed engagement portion coupled to said coupling portion and extending axially therefrom a third predetermined axial distance, and said headed engagement portion having: a shank section having a first end adjacent said coupling portion and a second end spaced axially from said first end, and said shank section having a predetermined outer diameter at said first end smaller than said predetermined outer diameter of said coupling portion, and having an outer surface extending between said first end and said second end; and a head section coupled to said second end of said shank section and said head section having at least an engagement part thereof having an outer diameter larger than the outer diameter of said shank section at said second end thereof and smaller than said predetermined outer diameter of said coupling portion; and said head section radially resiliently deformable between an engagement condition and an insertion condition.

Claim 3

The arrangement defined in claim 1, wherein: said head section of said headed engagement portion has a generally oval cross section and said engagement part thereof is along the major axis of the oval.

Claim 4

The arrangement defined in claim 2, wherein: said engagement part of said head section has a minor diameter substantially equal to the outer diameter of said shank section at said second end.

Claim 5

The arrangement defined in claim 1, 2 or 3, wherein said headed engagement portion further comprises: first walls defining a slot extending through said head section and from said second end of said shank section toward said first end of said shank section to provide said resilient radial deformation of said head section.

Claim 6

The arrangement defined in claim 1, 2, or 3, wherein said outer surface of said shank section of said headed engagement portion is frustro-conical, having a larger diameter at said first end and a smaller diameter at said second end.

Claim 7

The arrangement defined in claim 5, wherein said headed engagement portion further comprises: second walls defining an aperture therein having a generally circular cross-section and extending substantially co-extensively with said slot.

Claim 8

The arrangement defined in claim 6, wherein: said male shoulder portion and said bearing portion have internal walls defining an axially extending boss receiving aperture therein, and said boss receiving aperture having a predetermined axial extent and a diameter smaller than said preselected outer diameter of said male shoulder portion and said predetermined outer diameter of said bearing portion.

Claim 9

The arrangement defined in claim 7, wherein said male shoulder portion, said bearing portion, said coupling portion, and said headed engagement portion are coaxially aligned along said male axis.

Claim 10

The arrangement defined in claim 8, wherein said slot in said headed engagement portion lies in the plane defined by said male axis and said minor diameter of said oval shaped head section.

Claim 11

The arrangement defined in claim 9, wherein said aperture in said headed engagement portion is coaxial with said male axis.

Claim 12

The arrangement defined in claim 1, wherein said head section is substantially circular in cross-section.

Claim 13

The arrangement defined in claim 11, wherein said headed engagement portion further comprises: first walls defining a slot extending through said head section and from said second end of said shank section toward said first end of said shank section to provide said resilient radial deformation of said head section.

Claim 14

The arrangement defined in claim 11, wherein said outer surface of said shank section of said headed engagement portion is frusto-conical, having a larger diameter at said first end and a smaller diameter at said second end.

Claim 15

The arrangement defined in claim 12, wherein said headed engagement portion further comprises: second walls defining an aperture therein having a generally circular cross-section and extending substantially co-extensively with said slot.

Claim 16

The arrangement defined in claim 11 or 14, wherein: said male shoulder portion and said bearing portion have internal walls defining an axially extending boss receiving aperture therein, and said boss receiving aperture having a predetermined axial extent and a diameter smaller than said preselected diameter of said male shoulder portion and said predetermined outer diameter of said bearing portion.

Claim 17

The arrangement defined in claim 11 or 14, wherein said male shoulder portion, said bearing portion, said coupling portion, and said headed engagement portion are coaxially aligned along said male axis.

Claim 18

The arrangement defined in claim 16, wherein said aperture in said headed engagement portion is coaxial with said male axis.

Claim 19

A female axle member, having a predetermined female axis, and comprising, in combination: a female shoulder portion having a preselected outer diameter; a bearing portion coupled to said female shoulder portion, and extending axially therefrom a fourth predetermined axial distance, and having a predetermined outer diameter smaller than said preselected outer diameter of said female shoulder portion; a compression portion coupled to said bearing portion and extending axially therefrom a fifth preselected axial distance, and having an outer diameter substantially the same as said outer diameter of said bearing portion; a coupling portion, coupled to said compression portion, and extending axially therefrom a sixth predetermined distance and having an outer diameter substantially the same as said outer diameter of said bearing portions; and said female axle member having internal walls defining an internal aperture therethrough from said female shoulder portion to said coupling portion thereof, and said internal walls defining a first internal surface in said shoulder portion and said bearing portion extending a preselected axial distance to define a boss receiving aperture having a first predetermined internal diameter; a second internal surface in said compression portion having a second internal diameter adjacent said bearing portion and said second internal diameter smaller than said first internal diameter, and a third internal diameter in said compression portion adjacent said coupling portion; and said second internal surface defining a first shoulder at said bearing portion and a second shoulder at said coupling portion; a third internal surface in said coupling portion having a fourth internal diameter adjacent said compression portion greater than said third internal diameter.

Claim 20

A female axle member, having a predetermined female axis, and comprising, in combination: a female shoulder portion having a preselected outer diameter; a bearing portion coupled to said female shoulder portion, and extending axially therefrom a fourth predetermined axial distance, and having a predetermined outer diameter smaller than said preselected outer diameter of said female shoulder portion; a compression portion coupled to said bearing portion and extending axially therefrom a fifth preselected axial distance, and having an outer diameter substantially the same as said outer diameter of said bearing portion; a coupling portion, coupled to said compression portion, and extending axially therefrom a sixth predetermined distance and having an outer diameter substantially the same as said outer diameter of said bearing portions; and said female axle member having internal walls defining an internal aperture therethrough from said female shoulder portion to said coupling portion thereof, and said internal walls defining a first internal surface in said shoulder portion and said bearing portion extending a preselected axial distance to define a boss receiving aperture having a first predetermined internal diameter; a second internal surface in said compression portion having a second internal diameter adjacent said bearing portion and said second internal diameter smaller than said first internal diameter, and a third internal diameter in said compression portion adjacent said coupling portion; and said second internal surface defining a first shoulder at said bearing portion and a second shoulder at said coupling portion; a third internal surface in said coupling portion having a fourth internal diameter adjacent said compression portion greater than said third internal diameter.

Claim 21

The arrangement defined in claim 18, wherein: said second internal surface of said compression portion is frusto-conical, and said second internal diameter adjacent said bearing portion is smaller than said third internal diameter adjacent said coupling portion.

Claim 22

The arrangement defined in claim 18 or 19, wherein said second shoulder of said compression portion adjacent said coupling portion is tapered.

Claim 23

The arrangement defined in claim 18, wherein said second and third internal diameters of said compression portion are substantially the same and smaller than said first internal diameter of said bearing portion and said fourth internal diameter of said coupling portion and said second internal surface is cylindrical.

Claim 24

The arrangement defined in claim 21, wherein said second shoulder of said compression portion at said coupling portion is rounded.

Claim 25

An axle means for a toy vehicle, comprising, in combination: a female axle member having a predetermined female axis, and said female axle member comprising: a female shoulder portion having a preselected outer diameter; a bearing portion coupled to said female shoulder portion, and extending axially therefrom a fourth predetermined axial distance, and having a predetermined outer diameter smaller than said preselected outer diameter of said female shoulder portion; a compression portion coupled to said bearing portion and extending axially therefrom a fifth preselected axial distance, and having an outer diameter substantially the same as said outer diameter of said bearing portion; a coupling portion, coupled to said compression portion, and extending axially therefrom a sixth predetermined distance and having an outer diameter substantially the same as said outer diameter of said bearing portion; and said female axle member having internal walls defining an internal aperture therethrough from said female shoulder portion to said coupling portion thereof, and said internal walls defining a first internal surface in said shoulder portion and said bearing portion extending a preselected axial distance to define a boss receiving aperture having a first predetermined internal diameter; a second internal surface in said compression portion having a second internal diameter adjacent said bearing portion and said second internal diameter smaller than said first internal diameter, and a third internal diameter in said compression portion adjacent said coupling portion; and said second internal surface defining a first shoulder at said bearing portion and a second shoulder at said coupling portion; a third internal surface in said coupling portion having a fourth internal diameter adjacent said compression portion greater than said third internal diameter; a male axle member having a predetermined male axis and positioned within said aperture of said female axle member and said female axis and said male axis colinear, and said male axle member comprising: a male shoulder portion having a preselected outer diameter; a bearing portion coupled to said male shoulder portion and extending axially therefrom a first predetermined axial distance and having a predetermined outer diameter defining an outer surface and smaller than said preselected outer diameter of said male shoulder portion; a coupling portion coupled to said bearing portion and extending axially therefrom a second predetermined axial distance and having a predetermined outer diameter defining an outer surface and smaller than said preselected outer diameter of said bearing portion; and a headed engagement portion coupled to said coupling portion and extending axially therefrom a third predetermined axial distance, and said headed engagement portion having: a shank section having a first end adjacent said coupling portion and a second end spaced axially from said first end, and said shank section having a predetermined outer diameter at said first end smaller than said predetermined outer diameter of said coupling portion, and having an outer surface extending between said first end and said second end; and a head section coupled to said second end of said shank section and said head section having at least an engagement part thereof having an outer diameter larger than the outer diameter of said shank section at said second end thereof and smaller than said predetermined outer diameter of said coupling portion; and said head section radially resiliently deformable between an engagement condition and an insertion condition, and said head section of said headed engagement portion of said male axle member positioned within said internal surface of said bearing portion of said female axle member, and said outer dimension of said engagement part of said head section of said headed engagement portion of said male axle member larger than said second internal diameter of said compression portion of said female axle member in said engagement condition thereof; and said internal surface of said compression portion of said female axle member engaging said outer surface of said shank section of the headed engagement portion of said male axle member; and said internal surface of said coupling portion of said female axle member engaging said outer surface of said coupling portion of said male axle member.

Claim 26

An axle means for a toy vehicle, comprising, in combination: a female axle member having a predetermined female axis, and said female axle member comprising: a female shoulder portion having a preselected outer diameter; a bearing portion coupled to said female shoulder portion, and extending axially therefrom a fourth predetermined axial distance, and having a predetermined outer diameter smaller than said preselected outer diameter of said female shoulder portion; a compression portion coupled to said bearing portion and extending axially therefrom a fifth preselected axial distance, and having an outer diameter substantially the same as said outer diameter of said bearing portion; a coupling portion, coupled to said compression portion, and extending axially therefrom a sixth predetermined distance and having an outer diameter substantially the same as said outer diameter of said bearing portion; and said female axle member having internal walls defining an internal aperture therethrough from said female shoulder portion to said coupling portion thereof, and said internal walls defining a first internal surface in said shoulder portion and said bearing portion extending a preselected axial distance to define a boss receiving aperture having a first predetermined internal diameter; a second internal surface in said compression portion having a second internal diameter adjacent said bearing portion and said second internal diameter smaller than said first internal diameter, and a third internal diameter in said compression portion adjacent said coupling portion; and said second internal surface defining a first shoulder at said bearing portion and a second shoulder at said coupling portion; a third internal surface in said coupling portion having a fourth internal diameter adjacent said compression portion greater than said third internal diameter; a male axle member having a predetermined male axis and positioned within said aperture of said female axle member and said female axis and said male axis colinear, and said male axle member comprising: a male shoulder portion having a preselected outer diameter; a bearing portion coupled to said male shoulder portion and extending axially therefrom a first predetermined axial distance and having a predetermined outer diameter defining an outer surface and smaller than said preselected outer diameter of said male shoulder portion; a coupling portion coupled to said bearing portion and extending axially therefrom a second predetermined axial distance and having a predetermined outer diameter defining an outer surface and smaller than said preselected outer diameter of said bearing portion; and a headed engagement portion coupled to said coupling portion and extending axially therefrom a third predetermined axial distance, and said headed engagement portion having: a shank section having a first end adjacent said coupling portion and a second end spaced axially from said first end, and said shank section having a predetermined outer diameter at said first end smaller than said predetermined outer diameter of said coupling portion, and having an outer surface extending between said first end and said second end; and a head section coupled to said second end of said shank section and said head section having at least an engagement part thereof having an outer diameter larger than the outer diameter of said shank section at said second end thereof and smaller than said predetermined outer diameter of said coupling portion; and said head section radially resiliently deformable between an engagement condition and an insertion condition, and said head section of said headed engagement portion of said male axle member positioned within said internal surface of said bearing portion of said female axle member, and said outer dimension of said engagement part of said head section of said headed engagement portion of said male axle member larger than said second internal diameter of said compression portion of said female axle member in said engagement condition thereof; and said internal surface of said compression portion of said female axle member engaging said outer surface of said shank section of the headed engagement portion of said male axle member; and said internal surface of said coupling portion of said female axle member engaging said outer surface of said coupling portion of said male axle member.

Claim 27

The arrangement defined in claim 23, wherein said outer diameter of said bearing portion of said male axle member is substantially equal to said outer diameter of said bearing portion of said female axle member.

Claim 28

The arrangement defined in claim 24, wherein said second predetermined axial distance of said coupling portion of said male axle member is substantially equal to said sixth predetermined axial distance of said coupling portion of said female axle member.

Claim 29

The arrangement defined in claim 25, wherein said axial spacing between said first end and said second end of said shank section of said headed engagement portion of said male axle member is substantially equal to the axial length of said compression portion of said female axle member.

Claim 30

The arrangement defined in claim 26, wherein: said head section of said headed engagement portion is generally oval in shape and said engagement part thereof is along the major axis of the oval shape.

Claim 31

The arrangement defined in claim 27, wherein: said engagement part of said head section has a minor diameter substantially equal to the outer diameter of said shank section at said second end.

Claim 32

The arrangement defined in claim 28, wherein said headed engagement portion further comprises: first walls defining a slot extending through said head section and from said second end of said shank section toward said first end of said shank section to provide said resilient radial deformation of said head section, whereby said headed engagement portion is radially deformed to its insertion condition for the condition of said head section of said headed engagement portion of said male axle member being positioned within said compression portion of said female axle member.

Claim 33

The arrangement defined in claim 29, wherein said outer surface of said shank section of said headed engagement portion is frusto-conical, having a larger diameter at said first end and a smaller diameter at said second end, and said third internal diameter of said compression portion of said female axle member is substantially equal to said larger diameter of said shank section of said headed engagement portion of said male axle member and said second internal diameter of said compression portion of said female axle member is substantially equal to said smaller diameter of said shank section of said headed engagement portion of said male axle member.

Claim 34

The arrangement defined in claim 30, wherein said headed engagement portion further comprises: second walls defining an aperture therein having a generally circular cross-section and extending substantially co-extensively with said slot.

Claim 35

The arrangement defined in claim 30, wherein said slot in said headed engagement portion lies in the plane defined by said male axis and said minor diameter of said oval shaped head section.

Claim 36

The arrangement defined in claim 32, wherein said aperture in said headed engagement portion is coaxial with said male axis.

Claim 37

The arrangement defined in claim 33, wherein: said male shoulder portion and said bearing portion have internal walls defining an axially extending boss receiving aperture therein, and said boss receiving aperture having a predetermined axial extent and a diameter smaller than said predetermined diameter of said male shoulder portion and said bearing portion.

Claim 38

The arrangement defined in claim 34, wherein said outer diameter of said bearing portion, said compression portion, and said coupling portion of said female axle member, is substantially equal to said outer diameter of said bearing portion of said male axle member.

Claim 39

An improved roll toy vehicle comprising, in combination: a body member having a pair of axle means receiving apertures therethrough; an axle means positioned within each of said pair of axle receiving apertures of said body member and each of said axle means comprising: a female axle member having a predetermined female axis, and said female axle member comprising: a female shoulder portion having a preselected outer diameter; a bearing portion coupled to said female shoulder portion, and extending axially therefrom a fourth predetermined axial distance, and having a predetermined outer diameter smaller than said preselected outer diameter of said female shoulder portion; a compression portion coupled to said bearing portion and extending axially therefrom a fifth preselected axial distance, and having an outer diameter substantially the same as said outer diameter of said bearing portion; a coupling portion, coupled to said compression portion, and extending axially therefrom a sixth predetermined distance and having an outer diameter substantially the same as said outer diameter of said bearing portion; and said female axle member having internal walls defining an internal aperture therethrough from said female shoulder portion to said coupling portion thereof, and said internal walls defining a first internal surface in said shoulder portion and said bearing portion extending a preselected axial distance to define a boss receiving aperture having a first predetermined internal diameter; a second internal surface in said compression portion having a second internal diameter adjacent said bearing portion and said second internal diameter smaller than said first internal diameter, and a third internal diameter in said compression portion adjacent said coupling portion; and said second internal surface defining a first shoulder at said bearing portion and a second shoulder at said coupling portion; a third internal surface in said coupling portion having a fourth internal diameter adjacent said compression portion greater than said third internal diameter; a male axle member having a predetermined male axis and positioned within said aperture of said female axle member and said female axis and said male axis colinear, and said male axle member comprising: a male shoulder portion having a preselected outer diameter; a bearing portion coupled to said male shoulder portion and extending axially therefrom a first predetermined axial distance and having a predetermined outer diameter defining an outer surface and smaller than said preselected outer diameter of said male shoulder portion; a coupling portion coupled to said bearing portion and extending axially therefrom a second predetermined axial distance and having a predetermined outer diameter defining an outer surface and smaller than said predetermined outer diameter of said bearing portion; and a headed engagement portion coupled to said coupling portion and extending axially therefrom a third predetermined axial distance, and said headed engagement portion having: a shank section having a first end adjacent said coupling portion and a second end spaced axially from said first end, and said shank section having a predetermined outer diameter at said first end smaller than said predetermined outer diameter of said coupling portion, and having an outer surface extending between said first end and said second end; and a head section coupled to said second end of said shank section and said head section having at least an engagement part thereof having an outer diameter larger than the outer diameter of said shank section at said second end thereof and smaller than said predetermined outer diameter of said coupling portion; and said head section radially resiliently deformable between an engagement condition and an insertion condition, and said head section of said headed engagement portion of said male axle member positioned within said internal surface of said bearing portion of said female axle member, and said outer dimension of said engagement part of said head section of said headed engagement portion of said male axle member larger than said second internal diameter of said compression portion of said female axle member in said engagement condition thereof; said internal surface of said compression portion of said female axle member engaging said outer surface of said shank section of the headed engagement portion of said male axle member; said internal surface of said coupling portion of said female axle member engaging said outer surface of said coupling portion of said male axle member; said male shoulder portions and said male bearing portion have internal walls defining an axially extending boss receiving aperture therein, and said boss receiving aperture having a predetermined axial extent and a diameter smaller than said predetermined diameter of said male should portion and said bearing portion; and a pair of wheel means mounted in each of said pair of axle means and each of said wheel means having a body portion, a shoulder portion coupled to the body portion, and having a predetermined outer diameter larger than said axle receiving apertures in said body member, and a boss extending outwardly from said shoulder portion and said boss having an outer diameter for a predetermined frictional engagement with said boss receiving apertures of said male axle member and said female axle member.

Claim 40

An improved roll toy vehicle comprising, in combination: a body member having a pair of axle means receiving apertures therethrough; an axle means positioned within each of said pair of axle receiving apertures of said body member and each of said axle means comprising: a female axle member having a predetermined female axis, and said female axle member comprising: a female shoulder portion having a preselected outer diameter; a bearing portion coupled to said female shoulder portion, and extending axially therefrom a fourth predetermined axial distance, and having a predetermined outer diameter smaller than said preselected outer diameter of said female shoulder portion; a compression portion coupled to said bearing portion and extending axially therefrom a fifth preselected axial distance, and having an outer diameter substantially the same as said outer diameter of said bearing portion; a coupling portion, coupled to said compression portion, and extending axially therefrom a sixth predetermined distance and having an outer diameter substantially the same as said outer diameter of said bearing portion; and said female axle member having internal walls defining an internal aperture therethrough from said female shoulder portion to said coupling portion thereof, and said internal walls defining a first internal surface in said shoulder portion and said bearing portion extending a preselected axial distance to define a boss receiving aperture having a first predetermined internal diameter; a second internal surface in said compression portion having a second internal diameter adjacent said bearing portion and said second internal diameter smaller than said first internal diameter, and a third internal diameter in said compression portion adjacent said coupling portion; and said second internal surface defining a first shoulder at said bearing portion and a second shoulder at said coupling portion; a third internal surface in said coupling portion having a fourth internal diameter adjacent said compression portion greater than said third internal diameter; a male axle member having a predetermined male axis and positioned within said aperture of said female axle member and said female axis and said male axis colinear, and said male axle member comprising: a male shoulder portion having a preselected outer diameter; a bearing portion coupled to said male shoulder portion and extending axially therefrom a first predetermined axial distance and having a predetermined outer diameter defining an outer surface and smaller than said preselected outer diameter of said male shoulder portion; a coupling portion coupled to said bearing portion and extending axially therefrom a second predetermined axial distance and having a predetermined outer diameter defining an outer surface and smaller than said predetermined outer diameter of said bearing portion; and a headed engagement portion coupled to said coupling portion and extending axially therefrom a third predetermined axial distance, and said headed engagement portion having: a shank section having a first end adjacent said coupling portion and a second end spaced axially from said first end, and said shank section having a predetermined outer diameter at said first end smaller than said predetermined outer diameter of said coupling portion, and having an outer surface extending between said first end and said second end; and a head section coupled to said second end of said shank section and said head section having at least an engagement part thereof having an outer diameter larger than the outer diameter of said shank section at said second end thereof and smaller than said predetermined outer diameter of said coupling portion; and said head section radially resiliently deformable between an engagement condition and an insertion condition, and said head section of said headed engagement portion of said male axle member positioned within said internal surface of said bearing portion of said female axle member, and said outer dimension of said engagement part of said head section of said headed engagement portion of said male axle member larger than said second internal diameter of said compression portion of said female axle member in said engagement condition thereof; said internal surface of said compression portion of said female axle member engaging said outer surface of said shank section of the headed engagement portion of said male axle member; said internal surface of said coupling portion of said female axle member engaging said outer surface of said coupling portion of said male axle member; said male shoulder portions and said male bearing portion have internal walls defining an axially extending boss receiving aperture therein, and said boss receiving aperture having a predetermined axial extent and a diameter smaller than said predetermined diameter of said male should portion and said bearing portion; and a pair of wheel means mounted in each of said pair of axle means and each of said wheel means having a body portion, a shoulder portion coupled to the body portion, and having a predetermined outer diameter larger than said axle receiving apertures in said body member, and a boss extending outwardly from said shoulder portion and said boss having an outer diameter for a predetermined frictional engagement with said boss receiving apertures of said male axle member and said female axle member.

Claim 41

The arrangement defined in claim 36, wherein said outer diameter of said bearing portion of said male axle member is substantially equal to said outer diameter of said bearing portion of said female axle member.

Claim 42

The arrangement defined in claim 37, wherein said second predetermined axial distance of said coupling portion of said male axle member is substantially equal to said sixth predetermined axial distance of said coupling portion of said female axle member.

Claim 43

The arrangement defined in claim 38, wherein said axial spacing between said first end and said second end of said shank section of said headed engagement portion of said male axle member is substantially equal to the axial length of said compression portion of said female axle member.

Claim 44

The arrangement defined in claim 39, wherein: said head section of said headed engagement portion is generally oval in shape and said engagement part thereof is along the major axis of the oval shape.

Claim 45

The arrangement defined in claim 40, wherein: said head section has a minor diameter substantially equal to the outer diameter of said shank section at said second end.

Claim 46

The arrangement defined in claim 41, wherein said headed engagement portion further comprises: first walls defining a slot extending through said head section and from said second end of said shank section toward said first end of said shank section to provide said resilient radial deformation of said head section, whereby said headed engagement portion is radially deformed to its insertion condition for the condition of said head section of said headed engagement portion of said male axle member being positioned within said compression portion of said female axle member.

Claim 47

The arrangement defined in claim 42, wherein said outer surface of said shank section of said headed engagement portion is frusto-conical, having a larger diameter at said first end and a smaller diameter at said second end, and said third internal diameter of said compression portion of said female axle member is substantially equal to said larger diameter of said shank section of said headed engagement portion of said male axle member and said second internal diameter of said compression portion of said female axle member is substantially equal to said smaller diameter of said shank section of said headed engagement portion of said male axle member.

Claim 48

The arrangement defined in claim 43, wherein said headed engagement portion further comprises: second walls defining an aperture therein having a generally circular cross-section and extending substantially co-extensively with said slot.

Claim 49

The arrangement defined in claim 44, wherein said slot in said headed engagement portion lies in the plane defined by said male axis and said minor diameter of said oval shaped head section.

Claim 50

The arrangement defined in claim 45, wherein said aperture in said headed engagement portion is coaxial with said male axis.

Claim 51

The arrangement defined in claim 46, wherein said outer diameter of said bearing portion, said compression portion, and said coupling portion of said female axle member, is substantially equal to said outer diameter of said bearing portion of said male axle member.

Claim 52

The arrangement defined in claim 36, wherein said wheel means have walls defining an internal cavity, and a plurality of bead like means within said cavity defined by said wheel means, whereby said bead like members produce an auditory sound for the condition of movement of said wheel means.

Claim 53

The arrangement defined in claim 36, wherein said wheel means are fixedly coupled to the respective male axle member and female axle member in which they are mounted, and said male axle members rotate relative to said female axle members.

Claim 54

The arrangement defined in claim 36, wherein said female axle members are fixedly coupled to said male axle members and said wheel means are frictionally retained within said axle means for relative rotational movement with respect to each other.

Claim 55

The arrangement defined in claim 50, wherein said wheel means have a predetermined frictional fit with said axle means to allow selective removal of said wheel means from said axle means.