Metal deforming – By or with work-constrainer and/or manipulated work-forcer – Comprising lever manipulated to force work
Patent
1982-07-22
1984-01-17
Crosby, Gene P.
Metal deforming
By or with work-constrainer and/or manipulated work-forcer
Comprising lever manipulated to force work
33334, 33370, 72 36, B21D 714, B21C 5100
Patent
active
044257848
ABSTRACT:
A device for indicating the angular movement of a tube bender and the like is disclosed comprising a plate assembly having an alignment groove for attaching, in desired position, the plate to the elongated handle of the tube bender, and wherein the plate assembly has an arcuate spirit level with an angular movement position indicator air bubble inside and has angle marked surface adjacent the arcuate spirit level.
REFERENCES:
patent: 2932225 (1960-04-01), Gardner
patent: 2953048 (1960-09-01), Brown
patent: 3063314 (1962-11-01), Benfield
patent: 3253441 (1966-05-01), Benfield
patent: 3718018 (1973-02-01), Benfield
patent: 3826013 (1974-07-01), Baher
patent: 3906778 (1975-09-01), Crouse
patent: 3978591 (1976-09-01), Jaaskelainen
patent: 4009602 (1977-03-01), Linquist
patent: 4052881 (1977-10-01), Mount
patent: 4154001 (1979-05-01), Serafin
patent: 4321820 (1982-03-01), Nason
Crosby Gene P.
Kiesel William D.
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