Metal deforming – By relatively movable offset tool-faces – With tool motion in fixed path
Patent
1998-11-11
2000-10-03
Jones, David
Metal deforming
By relatively movable offset tool-faces
With tool motion in fixed path
7245319, 298125, 227 2, 227112, B21J 1510, B23P 2100
Patent
active
061256803
ABSTRACT:
A rivet delivery device is provided for transferring a rivet from a rivet passage to a nose piece of a pulling head and jaw case mechanism. The rivet delivery device is air driven to extend forwardly of the rivet setting tool and rotates to present a rivet in front of the jaws and then transfers the rivet into the jaws. The angular rotation and stroke length of the rivet delivery device can be easily adjusted. A double-acting piston is driven in both directions by positive air pressure to extend and rotate the delivery device in front of the nose piece and returning the rivet delivery device after rivet transfer. The use of a double-acting piston greatly enhances the speed at which the, rivet delivery device can operate.
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PRG620 Electric "Pop" Riveter Instruction Manual (revised Oct. 1963); United Shoe Machinery Corp., Fastener Division, Shelton, CT.
Banducci David J.
Bradbury James M.
Calkins David S.
O'Hara John
Thomas Peter
Emhart Inc.
Jones David
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