Blind rivetting tool with automatic loading means

Claim 2

A rivetting tool comprising in combination: a housing defining an elongated chamber; magazine means for laterally feeding rivets into said chamber; reciprocal slide means movable along the axis of said chamber for advancing rivets from said magazine means to the nose of said tool at the point at which the rivetting operation is to be performed; means carried by said slide means cooperating with punch means on the nose of said tool for deforming a rivet as the slide means is retracted; and means responsive to the movement of said slide means for intermittently advancing said magazine means after each rivetting operation has been completed.

Claim 3

A riveting tool as recited in claim 1 for setting rivets having a sleeve with a manufactured head at one end and a mandrel extending through the sleeve with an enlarged head adjacent to the other end of the sleeve, said tool being further characterized by deforming means for clamping a portion of said mandrel extending from said first end of the sleeve of said rivet to pull said mandrel as said slide means is retracted so that the enlarged head of said mandrel deforms said other end of said sleeve.

Claim 4

The riveting tool as recited in claim 2 wherein said clamping means comprises a pair of opposing jaws located within said elongated chamber and pivoted from said slide means; and wherein said tool further includes: pusher means movable with said slide means and adapted to spread said jaws as said slide means moves to advance a rivet so that said magazine means passes between said jaws as said deforming means is carried with said slide means.

Claim 5

The riveting tool as recited in claim 3 wherein said tool further includes shoulders on the inside of said elongated chamber adapted to contact said jaws to close them as they are carried through said chamber when said slide means advances a rivet; said shoulders being so located that said jaws close about the mandrel of said rivet when it is at the nose of said tool, said other end of said sleeve being deformed as said mandrel is pulled by said jaws when said deforming means is retracted with said slide means.

Claim 6

The riveting tool as recited in claim 4 wherein said magazine means comprises spaced hollow studs adapted to contain the mandrels of respective rivets; wherein said slide means advances a rivet from said magazine means by forcing it from its respective stud; and, wherein said jaws when retracted with said slide means break off a piece of said mandrel and reinsert said piece into its respective hollow stud.

Claim 7

The riveting tool as recited in claim 4 wherein said magazine means comprises spaced hollow studs adapted to contain the mandrels of respective rivets; wherein said slide means advances a rivet from said magazine means by forcing it from its respective stud; and wherein portions of said magazine means adjacent said studs are notched to accommodate said jaws as said magazine means passes between said jaws advancing with said slide means.

Claim 8

The riveting tool as recited In claim 1 wherein said means for intermittently advancing said magazine means comprises: means biasing said magazine means in its feed direction; means for clamping said magazine means stationary; means for disabling said clamping when said slide means has advanced to locate a rivet at the nose of said tool; and means connected to said slide means for holding said magazine means stationary when a rivet is located at the nose of said tool, said holding means being disabled as said slide means is retracted, said clamping means being operative as said slide means is retracted for a period longer than said holding means is operative such that said biasing means advances said magazine means an increment after said magazine means is clamped by said clamping means.

Claim 9

The riveting tool as recited in claim 7 wherein said disabling means comprises inclined surfaces operable to cause releasing by said clamping means as said slide means advances.

Claim 10

The riveting tool as recited in claim 7 wherein said magazine means contains spaced notches, and said holding means comprises shoulders adapted to engage at least one notch as said slide means advances to locate a rivet at the nose of said tool.

Claim 11

The riveting tool as recited in claim 7 wherein said magazine means comprises spaced hollow studs adapted to contain said rivets and said clamping means comprises opposing claws spring-loaded to a closed position and adapted to successively hold said studs.

Claim 12

The riveting tool as recited in claim 1 wherein said magazine means comprises spaced hollow studs adapted to contain the mandrels of respective rivets, and wherein said slide means advances a rivet from said magazine means by forcing it from its respective stud.

Claim 15

A tool for setting blind rivets of the type having a sleeve with a manufactured head at a first end and a mandrel extending through said sleeve and having an enlarged head adjacent the other end of said sleeve, said tool comprising: a housing defining an elongated chamber; magazine means for laterally feeding rivets into said chamber; reciprocal slide means movable along the axis of said chamber for advancing rivets from said magazine means to the nose of said tool at the point at which the riveting operation is to be performed; means carried by said slide means cooperating with punch means on the nose of said tool for deforming said other end of the sleeve of a rivet by clamping and pulling a portion of the mandrel of said rivet as the slide means is retracted, said deforming means breaking off a piece of said mandrel when being retracted with said slide means and reinserting said piece into its respective location in said magazine means; and means for intermittently advancing said magazine means after each riveting operation has been completed.

Claim 16

A tool for setting blind rivets of the type having a sleeve with a manufactured head at a first end and a mandrel extending through said sleeve and having an enlarged head adjacent the other end of said sleeve, said tool comprising: a housing defining an elongated chamber; magazine means for laterally feeding rivets into said chamber; reciprocal slide means movable along the axis of said chamber for advancing rivets from said magazine means to the nose of said tool at the point at which the riveting operation is to be performed; means carried by said slide means cooperating with punch means on the nose of said tool for deforming said other end of the sleeve of a rivet by clamping and pulling a portion of the mandrel of said rivet as the slide means is retracted, said deforming means breaking off a piece of said mandrel when being retracted with said slide means and reinserting said piece into its respective location in said magazine means; and means for intermittently advancing said magazine means after each riveting operation has been completed.

Claim 17

The tool as recited in claim 13 wherein said magazine means comprises spaced hollow studs adapted to contain the mandrels of respective rivets.

Claim 18

For use in setting blind rivets of the type having a tubular sleeve with an annular manufactured hEad at one end and a mandrel extending through said sleeve and said annular head, and having an enlarged head at the opposite end of said sleeve, an apparatus comprising in combination: a housing terminating in a nose at which the riveting operation is to be performed, said nose having an opening therethrough communicating with an interior chamber in said housing; magazine means removably supported by said housing and movable laterally through said chamber, said magazine means being adapted to retain a plurality of laterally spaced rivets; slide means carried by said housing and reciprocally movable through said chamber in opposite directions transverse to the direction of movement of said magazine means through said chamber; punch means at the nose of said housing; means carried by said slide means and operative upon advancement of said slide means towards said nose to remove a rivet from said magazine means and to carry said rivet through said opening to the nose of said housing, said means being further operative upon retraction of said slide means to cooperate with said punch means in setting said rivet by deforming said sleeve while separating a portion of said mandrel from the set rivet and reinserting the separated mandrel portion in said magazine means; and means responsive to the movement of said slide means for intermittently advancing said magazine means after each riveting operation has been completed.

Claim 19

For use in setting blind rivets of the type having a tubular sleeve with an annular manufactured hEad at one end and a mandrel extending through said sleeve and said annular head, and having an enlarged head at the opposite end of said sleeve, an apparatus comprising in combination: a housing terminating in a nose at which the riveting operation is to be performed, said nose having an opening therethrough communicating with an interior chamber in said housing; magazine means removably supported by said housing and movable laterally through said chamber, said magazine means being adapted to retain a plurality of laterally spaced rivets; slide means carried by said housing and reciprocally movable through said chamber in opposite directions transverse to the direction of movement of said magazine means through said chamber; punch means at the nose of said housing; means carried by said slide means and operative upon advancement of said slide means towards said nose to remove a rivet from said magazine means and to carry said rivet through said opening to the nose of said housing, said means being further operative upon retraction of said slide means to cooperate with said punch means in setting said rivet by deforming said sleeve while separating a portion of said mandrel from the set rivet and reinserting the separated mandrel portion in said magazine means; and means responsive to the movement of said slide means for intermittently advancing said magazine means after each riveting operation has been completed.