US4691402A — Adjustable single lock gutter broom mechanism

Claim 1

Independent Claim 76 words

A gutter broom mechanism comprising an arm, a gutter broom, means for connecting said gutter broom to said arm for pivoting movement about two axes disposed generally normal to each other, means for locking said connecting means in any one of a plurality of different positions of said gutter broom relative to said arm, and said locking means including single locking means for simultaneously locking said connecting means to prevent pivoting movement about said two axes.

Claim 2

Dependent Claim 76 words

A gutter broom mechanism comprising an arm, a gutter broom, means for connecting said gutter broom to said arm for pivoting movement about two axes disposed generally normal to each other, means for locking said connecting means in any one of a plurality of different positions of said gutter broom relative to said arm, and said locking means including single locking means for simultaneously locking said connecting means to prevent pivoting movement about said two axes.

Claim 3

Dependent Claim 82 words

The gutter broom mechanism as defined in claim 1 wherein said connecting means includes first and second members connected to said arm and to said gutter broom respectively, first pivot means for pivotally connecting said first and second members for pivoting movement about a first of said two axes, and a third member connected to one of said first and second members and to said gutter broom for effecting pivotal movement of said gutter broom about a second of said two axes.

Claim 4

Dependent Claim 61 words

The gutter broom as defined in claim 1 wherein said connecting means includes a pivot pin connecting a plate to a rod, said plate and rod being connected to one of said arm and gutter broom, said pivot pin establishing one of said two axes of pivoting movement, and said rod establishing a second of said two axes of pivoting movement.

Claim 5

Dependent Claim 73 words

The gutter broom as defined in claim 1 wherein said connecting means includes a pivot pin connecting a plate to a rod, said plate and rod being connected to one of said arm and gutter broom, said pivot pin establishing one of said two axes of pivoting movement, said rod establishing a second of said two axes of pivoting movement, and means for establishing a curved guiding surface between said plate and rod.

Claim 6

Dependent Claim 90 words

The gutter broom as defined in claim 1 wherein said connecting means includes a pivot pin connecting a plate to a rod, said plate and rod being connected to one of said arm and gutter broom, said pivot pin establishing one of said two axes of pivoting movement, said rod establishing a second of said two axes of pivoting movement, a socket receiving said plate, said plate having an opening, said rod passes through said opening, a bracket carrying said gutter broom, and means connecting said rod to said bracket.

Claim 7

Dependent Claim 77 words

The gutter broom as defined in claim 1 wherein said connecting means includes a pivot pin connecting a plate to a rod, said plate and rod being connected to one of said arm and gutter broom, said pivot pin establishing one of said two axes of pivoting movement, said rod establishing a second of said two axes of pivoting movement to define a yoke, said plate is bifurcated and said rod is received within said bifurcated yoke.

Claim 8

Dependent Claim 97 words

The gutter broom as defined in claim 1 wherein said connecting means includes a pivot pin connecting a plate to a rod, said plate and rod being connected to one of said arm and gutter broom, said pivot pin establishing one of said two axes of pivoting movement, said rod establishing a second of said two axes of pivoting movement, said plate is a yoke defined by a pair of legs and a slot therebetween, said rod is received in said slot, and said pivot pin is received in openings of said pair of legs and rod.

Claim 9

Dependent Claim 74 words

The gutter broom as defined in claim 1 wherein said connecting means includes a pivot pin connecting a plate to a rod, said plate and rod being connected to one of said arm and gutter broom, said pivot pin establishing one of said two axes of pivoting movement, said rod establishing a second of said two axes of pivoting movement, a bracket carrying said gutter broom, and means connecting said rod to said bracket.

Claim 10

Dependent Claim 87 words

The gutter broom as defined in claim 1 wherein said connecting means includes a pivot pin connecting a plate to a rod, said plate and rod being connected to one of said arm and gutter broom, said pivot pin establishing one of said two axes of pivoting movement, said rod establishing a second of said two axes of pivoting movement, a bracket carrying said gutter broom, means connecting said rod to said bracket, and said last-mentioned connecting means being threads of said rod engaged by a nut.

Claim 11

Dependent Claim 47 words

The gutter broom as defined in claim 1 wherein means are provided for rotating said gutter broom about an axis of rotation, and said two axes lie in a plane which is normal to said axis of rotation in at least one position of said gutter broom.

Claim 12

Dependent Claim 50 words

The gutter broom as defined in claim 1 including means for establishing a curved guiding surface between said gutter broom and arm, said curved guiding surface means including first and second opposing concave and convex surface portions, and at least one of said surface portions being carried by said arm.

Claim 13

Dependent Claim 111 words

A gutter broom mechanism comprising an arm, a support carrying a gutter broom, first means connecting a rod to said arm, second means connecting said rod to said support, said first connecting means defining a first pivot, said second connecting means defining a second pivot, the axes of said first and second pivots being generally normal to each other whereby said gutter broom can pivot relative to said arm in two different planes, said gutter broom having an axis of rotation, and the axes of said first and second pivots lie in a plane which is normal to said axis of rotation in at least one position of said gutter broom.

Claim 14

Dependent Claim 111 words

A gutter broom mechanism comprising an arm, a support carrying a gutter broom, first means connecting a rod to said arm, second means connecting said rod to said support, said first connecting means defining a first pivot, said second connecting means defining a second pivot, the axes of said first and second pivots being generally normal to each other whereby said gutter broom can pivot relative to said arm in two different planes, said gutter broom having an axis of rotation, and the axes of said first and second pivots lie in a plane which is normal to said axis of rotation in at least one position of said gutter broom.

Claim 15

Dependent Claim 31 words

The gutter broom mechanism as defined in claim 12 wherein the at least one position of said gutter broom is a position at which said axis of rotation is generally vertical.

Claim 16

Dependent Claim 23 words

The gutter broom mechanism as defined in claim 12 wherein said support includes an opening and said rod is received in said opening.

Claim 17

Dependent Claim 39 words

The gutter broom mechanism as defined in claim 12 including means between said arm and said support defining a curved guiding surface for guiding the relative pivoting movement of said support relative to said arm about said first pivot.

Claim 18

Dependent Claim 40 words

The gutter broom mechanism as defined in claim 12 including means between said arm and support defining a curved generally spherical guiding surface for guiding the relative pivoting movement of said support relative to said arm about said first pivot.

Claim 19

Dependent Claim 59 words

The gutter broom mechanism as defined in claim 12 wherein said arm includes a yoke, said rod is disposed with a first end thereof within said yoke, said first connecting means is a pivot which connects said first rod end to said yoke, said support includes an opening, and said rod includes a second end received in said opening.

Claim 20

Dependent Claim 19 words

The gutter broom mechanism as defined in claim 17 wherein said yoke and support include mating concavo-convex guiding surfaces.

Claim 21

Dependent Claim 32 words

The gutter broom mechanism as defined in claim 17 wherein said concavo-convex guiding surfaces are in part defined by a collar and said collar has an opening receiving said rod second end.

Claim 22

Dependent Claim 17 words

The gutter broom mechanism as defined in claim 19 wherein said concavo-convex guiding surfaces are generally spherical.

Claim 23

Dependent Claim 35 words

The gutter broom mechanism as defined in claim 20 wherein said support further includes a bracket carrying said gutter broom, said bracket includes an opening, and said rod second end passes through said bracket opening.

Claim 24

Dependent Claim 27 words

The gutter broom mechanism as defined in claim 21 wherein said second connecting means includes threads carried by said rod second end and a nut threaded thereupon.

Claim 25

Dependent Claim 20 words

The gutter broom mechanism as defined in claim 22 wherein said bracket is sandwiched between said collar and said nut.

Claim 26

Dependent Claim 35 words

The gutter broom mechanism as defined in claim 23 wherein said collar includes a locking surface bearing against said bracket under the force of the threaded connection between said nut and rod second end threads.

Claim 27

Dependent Claim 20 words

The gutter broom mechanism as defined in claim 23 wherein said collar includes a relieved annular surface opposing said bracket.

Claim 28

Dependent Claim 160 words

A mobile road or like surface sweeping machine comprising a frame, an arm, said arm having opposite first and second end portions, a gutter broom carried by said arm first end portion, means mounting said arm second end portion to said frame for movement of said arm between first and second positions at which said gutter broom is respectively elevated generally adjacent said frame and lowered generally outward of said frame in brushing engagement with a surface to be swept, means for moving said arm between said first and second positions, means for connecting said gutter broom to said arm first end portion for pivoting movement about two axes disposed generally normal to each other, means for locking said connecting means in any one of a plurality of different positions of said gutter broom relative to said arm, and said locking means including single locking means for simultaneously locking said connecting means to prevent pivoting movement about said two axes.

Claim 29

Dependent Claim 160 words

A mobile road or like surface sweeping machine comprising a frame, an arm, said arm having opposite first and second end portions, a gutter broom carried by said arm first end portion, means mounting said arm second end portion to said frame for movement of said arm between first and second positions at which said gutter broom is respectively elevated generally adjacent said frame and lowered generally outward of said frame in brushing engagement with a surface to be swept, means for moving said arm between said first and second positions, means for connecting said gutter broom to said arm first end portion for pivoting movement about two axes disposed generally normal to each other, means for locking said connecting means in any one of a plurality of different positions of said gutter broom relative to said arm, and said locking means including single locking means for simultaneously locking said connecting means to prevent pivoting movement about said two axes.

Claim 30

Dependent Claim 86 words

The mobile road or like surface sweeping machine as defined in claim 26 wherein said connecting means includes first and second members connected to said arm and to said gutter broom respectively, first pivot means for pivotally connecting said first and second members for pivoting movement about a first of said two axes, and a third member connected to one of said first and second members and to said gutter broom for effecting pivotal movement of said gutter broom about a second of said two axes.

Claim 31

Dependent Claim 31 words

The mobile road or like surface sweeping machine as defined in claim 27 wherein said first pivot means is disposed generally horizontally and normal to the longitudinal axis of said arm.

Claim 32

Dependent Claim 56 words

The mobile road or like surface sweeping machine as defined in claim 27 wherein said first pivot means is disposed generally horizontally and normal to the longitudinal axis of said arm, said gutter broom includes an axis of rotation, and said longitudinal axis and second axis are coincident when said axis of rotation is generally vertical.

Claim 33

Dependent Claim 56 words

The mobile road or like sweeping surface sweeping machine as defined in claim 29 including means for establishing a curved guiding surface between said gutter broom and arm, said curved guiding surface means including first and second opposing concave and convex surface portions, and at least one of said surface portions being carried by said arm.

Claim 34

Dependent Claim 30 words

The mobile road or like surface sweeping machine as defined in claim 27 including abutment means for limiting the pivotal movement of said gutter broom about said first pivot means.

Claim 35

Dependent Claim 66 words

The mobile road or like surface sweeping machine as defined in claim 26 wherein said connecting means includes a pivot pin connecting a plate to a rod, said plate and rod being connected to one of said arm and gutter broom, said pivot pin establishing one of said two axes of pivoting movement, and said rod establishing a second of said two axes of pivoting movement.

Claim 36

Dependent Claim 78 words

The mobile road or like surface sweeping machine as defined in claim 26 wherein said connecting means includes a pivot pin connecting a plate to a rod, said plate and rod being connected to one of said arm and gutter broom, said pivot pin establishing one of said two axes of pivoting movement, said rod establishing a second of said two axes of pivoting movement, and means for establishing a curved guiding surface between said plate and rod.

Claim 37

Dependent Claim 95 words

The mobile road or like surface sweeping machine as defined in claim 26 wherein said connecting means includes a pivot pin connecting a plate to a rod, said plate and rod being connected to one of said arm and gutter broom, said pivot pin establishing one of said two axes of pivoting movement, said rod establishing a second of said two axes of pivoting movement, a socket receiving said plate, said plate having an opening, said rod passes through said opening, a bracket carrying said gutter broom, and means connecting said rod to said bracket.

Claim 38

Dependent Claim 82 words

The mobile road or like surface sweeping machine as defined in claim 26 wherein said connecting means includes a pivot pin connecting a plate to a rod, said plate and rod being connected to one of said arm and gutter broom, said pivot pin establishing one of said two axes of pivoting movement, said rod establishing a second of said two axes of pivoting movement, to define a yoke, said plate is bifurcated, and said rod is received within said bifurcated yoke.

Claim 39

Dependent Claim 102 words

The mobile road or like surface sweeping machine as defined in claim 26 wherein said connecting means includes a pivot pin connecting a plate to a rod, said plate and rod being connected to one of said arm and gutter broom, said pivot pin establishing one of said two axes of pivoting movement, said rod establishing a second of said two axes of pivoting movement, said plate is a yoke defined by a pair of legs and a slot therebetween, said rod is received in said slot, and said pivot pin is received in openings of said pair of legs and rod.

Claim 40

Dependent Claim 79 words

The mobile road or like surface sweeping machine as defined in claim 26 wherein said connecting means includes a pivot pin connecting a plate to a rod, said plate and rod being connected to one of said arm and gutter broom, said pivot pin establishing one of said two axes of pivoting movement, said rod establishing a second of said two axes of pivoting movement, a bracket carrying said gutter broom, and means connecting said rod to said bracket.

Claim 41

Dependent Claim 92 words

The mobile road or like surface sweeping machine as defined in claim 26 wherein said connecting means includes a pivot pin connecting a plate to a rod, said plate and rod being connected to one of said arm and gutter broom, said pivot pin establishing one of said two axes of pivoting movement, said rod establishing a second of said two axes of pivoting movement, a bracket carrying said gutter broom, means connecting said rod to said bracket, and said last-mentioned connecting means being threads of said rod engaged by a nut.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1990-09-07	1991-03-09	1991-09-08	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1994-09-07	1995-03-09	1995-09-08	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1998-09-07	1999-03-09	1999-09-08	$7700.00	Window Closed / Lapsed

Adjustable single lock gutter broom mechanism

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