Operator safety device for attaching apparatus

Details Operator safety device for attaching apparatus Operator safety device for attaching apparatus

1996-12-23

2000-11-21

Echols, P. W.

Metal working

Means to assemble or disassemble

With randomly actuated stopping or disabling means

72 213, 83 58, 83DIG1, 192130, 192134, 100 53, B23Q 1520

Patent

active

061485047

ABSTRACT:
A cycle of operation of an attaching apparatus begins with determining whether an operator's extremity is in an area in which it can be struck by a downwardly moving ram during attachment of two fasteners to each other and to a material therebetween. If it is determined that the operator's extremity is not in the area in which it can be struck by the downwardly moving ram, the remainder of the cycle of operation is completed. If it is determined that the operator's extremity is in the area in which it can be struck by the downwardly moving ram, the cycle of operation must begin again.

REFERENCES:
patent: 2171467 (1939-08-01), Zeruneith
patent: 4391358 (1983-07-01), Haeger
patent: 4586248 (1986-05-01), Ho
patent: 4694671 (1987-09-01), Downham
patent: 5297705 (1994-03-01), Schmidt
patent: 5319848 (1994-06-01), Schmidt et al.
patent: 5592733 (1997-01-01), Wareham
patent: 5802704 (1998-09-01), Woody

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