Work holders – Relatively movable jaws – Means for direct manual adjustment of jaw
Patent
1980-05-23
1982-05-04
Watson, Robert C.
Work holders
Relatively movable jaws
Means for direct manual adjustment of jaw
269212, B25B 102
Patent
active
043279031
ABSTRACT:
Herein provided is a vise of the type, in which a movable clamping jaw is made slidable on a base having a stationary clamping jaw at its one end toward and away from the stationary jaw and is connected to the base by means of a connecting member. The base is formed at its widthwise center with a longitudinal groove, which extends in the longitudinal direction through the upper and lower sides thereof, and in its lower side with a number of transverse grooves which extend at the both sides of the longitudinal groove. The movable clamping jaw is formed with a recess which is wider than the longitudinal groove of the base and which has its bottom extending in parallel with the upper side of the base and formed with a through hole. The connecting member is received in the recess such that it can move in the longitudinal direction of the longitudinal groove. There is formed a leg which extends from the bottom center of the connecting member through the through hole into the longitudinal groove and which is bent to extend within the longitudinal groove toward the stationary clamping jaw. A pin is fixed to the free end of the leg and is made to engage with one of the afore-mentioned transverse grooves. On the other hand, the connecting member is formed with a threaded hole which extends in the moving direction of the movable jaw so that it may receive a bolt. There may preferably be attached to the vise a spring for biasing the connecting member to the stationary clamping jaw and/or a spring for biasing the rear end of the bolt in the downward direction.
REFERENCES:
patent: 408473 (1889-08-01), Focken
patent: 540413 (1895-06-01), Vanderbeek
patent: 2511843 (1950-06-01), Graether
Casella Anthony J.
Watson Robert C.
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