Pin pulling assembly

Details Pin pulling assembly Pin pulling assembly

1994-04-08

1995-06-27

Watson, Robert C.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

254 30, 254 94, B23P 1904

Patent

active

054268397

ABSTRACT:
The pin pulling assembly includes an active member which is engageable to a pin, the active member comprising a handle having an increasing radius spiral configuration, the radius increasing from a center pin engaging vertex stud. Further, the assembly includes a plurality of passive stud engaging collars for use with the active member when the pin has a flat head. By rotating the active member, the increasing radius produces a simple extraction of the pin.

REFERENCES:
patent: 1566377 (1925-12-01), Currente
patent: 1643838 (1927-09-01), Corbin
patent: 2157345 (1939-05-01), Nelson
patent: 3761058 (1973-09-01), Stone et al.
patent: 3785618 (1974-07-01), Medwick et al.
patent: 4183503 (1980-01-01), Ward
patent: 5176363 (1993-01-01), Bowlin

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