Elongated-member-driving apparatus – Miscellaneous
Patent
1989-05-31
1991-05-07
Bell, Paul A.
Elongated-member-driving apparatus
Miscellaneous
298125, 227112, B21J 1538
Patent
active
050129686
ABSTRACT:
A device for controlling access to an actuator of a fastener manipulation system as described. The device includes a discriminator which cooperates with moveable elements to allow access of authorized objects and to prevent operation of the actuator upon insertion of unauthorized objects.
REFERENCES:
patent: 3415102 (1968-12-01), Elliott
patent: 4586362 (1986-05-01), Deon et al.
patent: 4592136 (1986-06-01), Hirsch
patent: 4662206 (1987-05-01), Mauer et al.
patent: 4747294 (1988-05-01), Schwartz et al.
patent: 4754643 (1988-07-01), Weeks, Jr. et al.
patent: 4765175 (1988-08-01), Denham et al.
Bell Paul A.
Emhart Industries Inc.
Smith Spencer T.
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