Crimping tool having mechanism for selectively biasing crimping

Details Crimping tool having mechanism for selectively biasing crimping Crimping tool having mechanism for selectively biasing crimping

1995-01-17

1996-01-30

Jones, David

Metal deforming

With means to drive tool

Including link-actuated tool support

72452, 7245316, 2924356, 29753, B21J 918

Patent

active

054872979

ABSTRACT:
A crimping tool has a movable die attached to a reciprocable slide member for movement toward and away from a fixed die. A pair of rollers are journaled for rotation in pivotable links carried by the slide member. An actuating mechanism includes a wedge which is movable between the pair of rollers to drive the rollers apart and into engagement with a pair of ramps, thereby moving the slide member and the movable die toward the fixed die. A biasing mechanism is selectively operable to bias the slide member and the movable die either toward or away from the fixed die with a relatively small force during times when the wedge is withdrawn from between the rollers.

REFERENCES:
patent: 2647814 (1953-08-01), Chilton
patent: 2766631 (1956-10-01), Van Sittert
patent: 2962074 (1960-11-01), Dupre et al.
patent: 4109504 (1978-08-01), Rommel
patent: 4932237 (1990-06-01), Hatfield
patent: 5309751 (1994-05-01), Ryan

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