Fastener

Claim 2

A fastener attachable to an article having first and second spaced areas and a fastener receiving opening therebetween into which said fastener is insertable for engagement with said areas of said article, said fastener comprising: an elongated firSt part; a hollow sleeve second part in which said first part is held for insertion of the fastener into said opening with the first part thereupon being located beyond said first area, said sleeve having a grasping portion adapted to engage said second area; a pair of pivot bosses extending from opposite sides of said first part intermediate the ends thereof, each boss having a length in a direction transverse to said first part that is considerably greater than its width, each of said bosses being located in a generally circular pivot follower means in said sleeve for pivoting said first part to a position transverse to said second part and said sleeve having oppositely located elongated openings through which said ends of the first part move during said pivoting; elongated parallel guideway means on opposite sides of said sleeve extending from adjacent said grasping portion and intersecting said pivot follower means, each said guideway means being of a width for receiving the widths of said bosses upon said pivoting; pivoting means for pivoting said first part to said transverse position in said pivot follower means; and moving means insertable in said sleeve from the end adjacent its said grasping portion for engaging said first part in its said transverse position and moving it toward the said grasping portion of the sleeve to grasp said article therebetween at said spaced areas.

Claim 3

The fastener of claim 1 wherein said moving means comprises a screw and said first part has a threaded opening engaged by said screw.

Claim 4

The fastener of claim 1 wherein said moving means comprises a screw, said first part has a threaded opening engaged by said screw, and said screw comprises said pivoting means.

Claim 5

The fastener of claim 1 wherein said sleeve is provided with a circularly continuous inner end that is opposite said grasping portion, said guideway means terminating adjacent to said inner end.

Claim 6

The fastener of claim 4 wherein the centers of said follower means are located a distance from said inner end that is slightly greater than the distance between an end of said first part and the center of said bosses to permit said transverse pivoting.

Claim 7

The fastener of claim 1 wherein each said boss is substantially rectangular with edges movable adjacent said circular pivot means during said pivoting.

Claim 8

The fastener of claim 1 wherein each said boss has its said length at least approximately twice its said width for stability during said pivoting, during said moving of said first part, and during said grasping of said article.

Claim 9

The fastener of claim 1 wherein each said circular pivot means has its center aligned with the longitudinal center of its corresponding guideway.

Claim 10

A fastener attachable to an article having first and second spaced areas and a fastener receiving opening therebetween into which said fastener is insertable for engagement with said areas of said article, said fastener comprising: an elongated first part; a hollow sleeve second part in which said first part is held for insertion of the fastener into said opening with the first part thereupon being located beyond said first area, said sleeve having a grasping portion adapted to engage said second area; a pair of pivot bosses extending from opposite sides of said first part intermediate the ends thereof, each boss having a length in a direction transverse to said first part that is considerably greater than its width, each of said bosses being located in a generally circular pivot follower means in said sleeve for pivoting said first part to a position transverse to said second part and said sleeve having oppositely located elongated openings through which said ends of the first part move during said pivoting, each said boss having its said length at least approximately twice its said width for stability during said pivoting and said moving of said first part; elongated parallel guideway means on opposite sides of said sleeve extending from adjacent said grasping portion and intersecting said pivOt follower means, each said guideway means being of a width for receiving the widths of said bosses upon said pivoting, said sleeve being provided with a circularly continuous inner end that is opposite said grasping portion, said guideway means terminating short of said inner end, the centers of said follower means being located a distance from said inner end that is slightly less than the distance between an end of said first part and the center of said bosses to permit said transverse pivoting; pivoting means for pivoting said first part to said transverse position in said pivot follower means; and moving means insertable in said sleeve from the end adjacent its said grasping portion for engaging said first part in its said transverse position and moving it toward the said grasping portion of the sleeve to grasp said article therebetween at said spaced areas, each said circular pivot means having its center aligned with the longitudinal center of its corresponding guideway.

Claim 11

A fastener attachable to an article having first and second spaced areas and a fastener receiving opening therebetween into which said fastener is insertable for engagement with said areas of said article, said fastener comprising: an elongated first part; a hollow sleeve second part in which said first part is held for insertion of the fastener into said opening with the first part thereupon being located beyond said first area, said sleeve having a grasping portion adapted to engage said second area; a pair of pivot bosses extending from opposite sides of said first part intermediate the ends thereof, each boss having a length in a direction transverse to said first part that is considerably greater than its width, each of said bosses being located in a generally circular pivot follower means in said sleeve for pivoting said first part to a position transverse to said second part and said sleeve having oppositely located elongated openings through which said ends of the first part move during said pivoting, each said boss having its said length at least approximately twice its said width for stability during said pivoting and said moving of said first part; elongated parallel guideway means on opposite sides of said sleeve extending from adjacent said grasping portion and intersecting said pivOt follower means, each said guideway means being of a width for receiving the widths of said bosses upon said pivoting, said sleeve being provided with a circularly continuous inner end that is opposite said grasping portion, said guideway means terminating short of said inner end, the centers of said follower means being located a distance from said inner end that is slightly less than the distance between an end of said first part and the center of said bosses to permit said transverse pivoting; pivoting means for pivoting said first part to said transverse position in said pivot follower means; and moving means insertable in said sleeve from the end adjacent its said grasping portion for engaging said first part in its said transverse position and moving it toward the said grasping portion of the sleeve to grasp said article therebetween at said spaced areas, each said circular pivot means having its center aligned with the longitudinal center of its corresponding guideway.

Claim 12

The fastener of claim 9 wherein each said boss is substantially rectangular with edges movable adjacent said circular pivot means during said pivoting

Claim 13

A fastener attachable to an article having first and second spaced areas and a fastener receiving opening therebetween into which said fastener is insertable for engagement with said areas of said article, said fastener comprising: an elongated first part having end surfaces; a hollow sleeve second part in which said first part is held for insertion of the fastener into said opening with the first part thereupon being located beyond said first area, said sleeve having a grasping portion adapted to engage said second area; a pair of pivot bosses extending from opposite sides of said first part intermediate the ends thereof, each boss having a length in a direction transverse to said first part that is considerably greater than its width, each of said bosses being located in a generally circular pivot follower means in said sleeve for pivoting said first part to a position transverse to said second part and said sleeve having oppositely located elongated openings through which said ends of the first part move during said pivoting; elongated parallel guideway means on opposite sides of said sleeve extending from adjacent said grasping portion and intersecting said pivot follower means, each said guideway means being of a width for receiving the widths of said bosses upon said pivoting; pivoting means for pivoting said first part to said transverse position in said pivot follower means comprising an inclined cam surface means at a said end surface of said first part having an end of the cam surface within the boundary of said end surface; and moving means insertable in said sleeve from the end adjacent its said grasping portion for engaging said first part in its said transverse position and moving it toward the said grasping portion of the sleeve to grasp said article therebetween at said spaced areas.

Claim 14

A fastener attachable to an article having first and second spaced areas and a fastener receiving opening therebetween into which said fastener is insertable for engagement with said areas of said article, said fastener comprising: an elongated first part having end surfaces; a hollow sleeve second part in which said first part is held for insertion of the fastener into said opening with the first part thereupon being located beyond said first area, said sleeve having a grasping portion adapted to engage said second area; a pair of pivot bosses extending from opposite sides of said first part intermediate the ends thereof, each boss having a length in a direction transverse to said first part that is considerably greater than its width, each of said bosses being located in a generally circular pivot follower means in said sleeve for pivoting said first part to a position transverse to said second part and said sleeve having oppositely located elongated openings through which said ends of the first part move during said pivoting; elongated parallel guideway means on opposite sides of said sleeve extending from adjacent said grasping portion and intersecting said pivot follower means, each said guideway means being of a width for receiving the widths of said bosses upon said pivoting; pivoting means for pivoting said first part to said transverse position in said pivot follower means comprising an inclined cam surface means at a said end surface of said first part having an end of the cam surface within the boundary of said end surface; and moving means insertable in said sleeve from the end adjacent its said grasping portion for engaging said first part in its said transverse position and moving it toward the said grasping portion of the sleeve to grasp said article therebetween at said spaced areas.

Claim 15

The fastener of claim 11 wherein said cam surface is substantially midway between said sides from which said bosses extend and spans more than one-half the thickness of said first part.

Claim 16

The fastener of claim 12 wherein said cam surface is curved in transverse cross section.

Claim 17

The fastener of claim 12 wherein said first part has a longitudinal axis to which said cam surface is at an angle of about 45* .

Claim 18

The fastener of claim 11 wherein said moving means engages said cam surface, the pivoting means thereby comprising said bosses, said pivot follower means and said moving means in addition to said cam surface.

Claim 19

The fastener of claim 15 wherein said cam surface is substantially symmetrically located between said sides from which said bosses extend and said end of the cam surface spans more than one-half the thickness of said first part, said cam surface is curved in transverse cross section, and said moving means comprises a screw having an end with a diameter less than the maximum width of said cam surface, saId first part having a threaded opening located intermediate said sides from which said pivot bosses extend and engaged by said screw when said first part is in said transverse position.