Riveting system and nail and rivet assembly therefor

Claim 2

In a belt fastener system for attaching ends of a belt together, the combination comprising: belt fastener means comprising an upper element for overlying one side of the belt end and a lower element for underlying the other side of the belt end, said upper and lower elements each having a plurality of aligned apertures therein, a plurality of rivets each for insertion through an aperture in said top element and an aligned aperture in said bottom element, each of said rivets having a head at one end for engaging one of said upper or lower elements, a nail secured to the other end of said rivet for penetrating the belt and for guiding the other end of the rivet into the aperture in opposite one of said elements, a first anvil surface on said nail disposed beneath the other end of said rivet for initially deforming and flaring outwardly the other end of said rivet, a support means for supporting the lower elements of said belt fastener means and for receiving and holding said nails therein, and second anvil surfaces on said support means disposed adjacent said first anvil surfaces and co-operating with said first anvil surface by further deforming and bending said other end of said rivets for engagement with said lower element,

Claim 3

A system in accordance with claim 1 in which said apertures in said lower element have a tapered wall defining an enlarged recess for receiving the rivet end, said first anvil surface comprising an arcuately-shaped, concave shoulder on said nail located immediately adjacent the other end of said rivet with said concave shoulder facing said other end of said nail, said second anvil surface means bending said rivet ends upwardly and into said enlarged recesses.

Claim 4

A system in accordance with claim 1 in which said nail has an upper end telescoped into an opening in the other end of said rivet and in which means releasably secures said upper end to said rivet until said rivet end is deformed thereby releasing said nail from said rivet.

Claim 5

A belt fastener system in accordance with claim 1 in which said upper element is a plate belt fastener and said lower element is a plate belt fastener, and said rivets join each of said plate belt fasteners to both of the belt ends.

Claim 6

A belt fastener in accordance with claim 1 in which said belt fastener means comprises a hinge belt fastener with a hinge pin receiving portion joining said upper and lower elements.

Claim 7

An anvil nail and rivet assembly for use in fastening a belt fastener to a belt end comprising: a rivet having a longitudinally extending body and a head at one end of said body, there being a longitudinally extending bore at the other end of said body opening into the other end of said rivet body and defining a circumferential wall for flaring outwardly when attaching the rivet, an anvil nail having an upper end releasably secured to said other end of said rivet, a pointed lower end on said nail for penetrating a belt, an elongated shank on said anvil nail extending upwardly from said lower pointed end, an anvil surface on said upper end of said nail disposed beneath said other end of said rivet and at the upper end of said shank, said anvil surface including an enlarged shoulder surface on the upper portion of said shank extending outwardly to flare and roll said other end of said rivet and a stop surface on said anvil nail for limiting travel of saiD nail and allowing said rivet to continue traveling with said other end being deformed by said anvil surface.

Claim 8

An anvil nail and rivet assembly for use in fastening a belt fastener to a belt end comprising: a rivet having a longitudinally extending body and a head at one end of said body, there being a longitudinally extending bore at the other end of said body opening into the other end of said rivet body and defining a circumferential wall for flaring outwardly when attaching the rivet, an anvil nail having an upper end releasably secured to said other end of said rivet, a pointed lower end on said nail for penetrating a belt, an elongated shank on said anvil nail extending upwardly from said lower pointed end, an anvil surface on said upper end of said nail disposed beneath said other end of said rivet and at the upper end of said shank, said anvil surface including an enlarged shoulder surface on the upper portion of said shank extending outwardly to flare and roll said other end of said rivet and a stop surface on said anvil nail for limiting travel of saiD nail and allowing said rivet to continue traveling with said other end being deformed by said anvil surface.

Claim 9

A nail and rivet assembly in accordance with claim 6 in which said anvil surface has an upwardly opening and arcuately-shaped curvature thereon for flaring said other end of said rivet.

Claim 10

A nail and rivet assembly in accordance with claim 6 in which an upper end of said nail telescopes into said bore in said rivet and a bonding means within said bore bonds said upper end of said nail to said rivet.

Claim 11

A nail and rivet assembly in accordance with claim 8 in which the end of the rivet for flaring has an upwardly increasing thickness for its cross section as defined by a tapered bore and in which said upper end of said nail has a taper complementary to the taper of said bore.

Claim 12

A belt fastener system for fastening belt fasteners to a belt end without having to turn over said belt end comprising, at least one belt fastener having an upper plate for overlying one side of said belt and a lower plate for underlying the other side of said belt, said upper and lower plates having a plurality of aligned apertures therein, a stationary support means for supporting the lower plate of said fastener and for supporting the belt end and having openings therein for alignment with said apertures in said lower plate fo said fastener, locating means on said supporting means for locating said fastener thereon with said apertures in alignment with said openings in said support means, a plurality of rivet and pilot nail assemblies for insertion into said apertures in said fastener plates, said rivet and pilot nail assemblies comprising a rivet and a nail having a pointed end for penetrating the belt, stop surface means on said support means for engaging the nails received in said openings of said support means, first anvil surface means on said nails operative after travel of said nail through said belt to engage said other end of said rivet for deformation thereof by said anvil surface means during further downward movement of said rivet, and second anvil surface means on said support means for co-operating with said first anvil surface means by further deforming said other ends of rivets and for deflecting upwardly said deformed rivet ends tightly against said lower plates.

Claim 13

A belt fastener system for fastening belt fasteners to a belt end without having to turn over said belt end comprising, at least one belt fastener having an upper plate for overlying one side of said belt and a lower plate for underlying the other side of said belt, said upper and lower plates having a plurality of aligned apertures therein, a stationary support means for supporting the lower plate of said fastener and for supporting the belt end and having openings therein for alignment with said apertures in said lower plate fo said fastener, locating means on said supporting means for locating said fastener thereon with said apertures in alignment with said openings in said support means, a plurality of rivet and pilot nail assemblies for insertion into said apertures in said fastener plates, said rivet and pilot nail assemblies comprising a rivet and a nail having a pointed end for penetrating the belt, stop surface means on said support means for engaging the nails received in said openings of said support means, first anvil surface means on said nails operative after travel of said nail through said belt to engage said other end of said rivet for deformation thereof by said anvil surface means during further downward movement of said rivet, and second anvil surface means on said support means for co-operating with said first anvil surface means by further deforming said other ends of rivets and for deflecting upwardly said deformed rivet ends tightly against said lower plates.

Claim 16

A system in accordance with claim 11 in which said means for arresting movement of said nail and for holding said nail comprises an anvil support means with openings for receiving said nail therein and stop means on said anvil support means for abutting said nail when said nail has traveled to a certain position in said anvil support means.

Claim 17

A system in accordance with claim 12 in which said anvil support means comprises a first planar surface for holding said elements, and in which second anvil surfaces project upwardly of said planar surface for engaging said deformed portion of said rivet end for further shaping a rivet head on said inner end of said rivet.

Claim 18

A system in accordance with claim 11 in which a portion of said nail projects into said inner eNd of said rivet and in which a bonding agent bonds said nail portion to said rivet to secure them together until said rivet end is flared to break said bonding agent.

Claim 19

An anvil support means for supporting belt fasteners and for receiving anvil nails secured to lower ends of rivets comprising: a supporting base means for supporting a plurality of belt fasteners disposed on the underside of the belt, said supporting base means having a plurality of openings therein in a predetermined pattern for alignment with each of the rivet receiving openings in the belt fasteners thereon and for receiving therein said anvil nails piercing said belt and passing through said rivet receiving openings in said belt fasteners, locating means on said supporting base means for locating said belt fasteners in predetermined positions thereon with said rivet receiving openings being aligned with said openings in said supporting base means, and stop surface means on said supporting base means at each of said openings for abutment by an anvil nail to limit further downward movement of said anvil nail and to hold the said anvil nail during peening of the lower end of the rivet by said anvil nail into a lower rivet head.

Claim 20

An anvil support means for supporting belt fasteners and for receiving anvil nails secured to lower ends of rivets comprising: a supporting base means for supporting a plurality of belt fasteners disposed on the underside of the belt, said supporting base means having a plurality of openings therein in a predetermined pattern for alignment with each of the rivet receiving openings in the belt fasteners thereon and for receiving therein said anvil nails piercing said belt and passing through said rivet receiving openings in said belt fasteners, locating means on said supporting base means for locating said belt fasteners in predetermined positions thereon with said rivet receiving openings being aligned with said openings in said supporting base means, and stop surface means on said supporting base means at each of said openings for abutment by an anvil nail to limit further downward movement of said anvil nail and to hold the said anvil nail during peening of the lower end of the rivet by said anvil nail into a lower rivet head.

Claim 21

An anvil support means in accordance with claim 15 in which said supporting base means comprises a channel-shaped member having a pair of longitudinally extending and depending flanges each connected to a central web, said central web having said openings therein for receiving said anvil nails, the lower ends of the anvil nails projecting through said web and into a space between said flanges.

Claim 22

An anvil support means in accordance with claim 15 in which an upstanding projection means is provided around each of said openings for projecting above the plane of an upper planar support surface on said supporting base means, and an anvil surface on each of said upstanding projection means for further deformation of said rivet end upwardly against said belt fastener and into the lower rivet head.

Claim 23

An anvil support means in accordance with claim 17 in which said supporting base means includes a flat planar plate and in which said upstanding projection means are upstruck integral portions of said plate.

Claim 24

An anvil support means in accordance with claim 17 in which said upstanding projection means comprises separable buttons removably positioned within openings in said supporting base means.

Claim 25

A belt fastener system for fastening belt fasteners to a belt end comprising, at least one belt fastener having an upper plate for overlying one side of said belt and a lower plate for underlying the other side of said belt, said upper and lower plates having a plurality of aligned apertures therein, means for supporting the lower plate of said fastener and having openings therein for alignment with said apertures in said lower plate of said fastener, locating means on said supporting means for locating said fastener thereon with said apertures in alignment with said openings in said support means, a plurality of rivet and pilot nail assemblies for insertion into said apertures in said fastener plates, said rivet and pilot nail assemblies comprising a rivet and a nail having a pointed end for penetrating the belt, and anvil surface means operative upon travel of said nail through said belt to engage said other end of said rivet for deformation thereof of said anvil surface means during further downward movement of said rivet, said support means comprising a channel-shaped base having an upper central web, and said anvil surface means comprising a plurality of upstanding projections having said openings for receiving said nails and having anvil surfaces thereon for deforming said other ends of said rivets.

Claim 26

A belt fastener system for fastening belt fasteners to a belt end comprising, at least one belt fastener having an upper plate for overlying one side of said belt and a lower plate for underlying the other side of said belt, said upper and lower plates having a plurality of aligned apertures therein, means for supporting the lower plate of said fastener and having openings therein for alignment with said apertures in said lower plate of said fastener, locating means on said supporting means for locating said fastener thereon with said apertures in alignment with said openings in said support means, a plurality of rivet and pilot nail assemblies for insertion into said apertures in said fastener plates, said rivet and pilot nail assemblies comprising a rivet and a nail having a pointed end for penetrating the belt, and anvil surface means operative upon travel of said nail through said belt to engage said other end of said rivet for deformation thereof of said anvil surface means during further downward movement of said rivet, said support means comprising a channel-shaped base having an upper central web, and said anvil surface means comprising a plurality of upstanding projections having said openings for receiving said nails and having anvil surfaces thereon for deforming said other ends of said rivets.

Claim 27

A system in accordance with claim 20 in which said projections are integral with said web.

Claim 28

A system in accordance with claim 20 in which said projections are separate buttons carried by said web.

Claim 29

An assembly in accordance with claim 20 in which said anvil surface means comprises a surface on the other end of said nail for deforming said rivet end, said locating means comprises a plurality of upstanding blocks on said web, said blocks having transversely aligned openings therein to receive a gauge pin to align hinge pin receiving portions of said belt fasteners, and locating surfaces on said blocks for engaging sides of said fasteners and spacing said fasteners at predetermined intervals along said belt end.