Patent ID: 7222842

Claim:
A vise clamp comprising: a stationary jaw ( 10 ); a movable jaw ( 20 ) put on the stationary jaw ( 10 ), the movable jaw ( 20 ) comprising an ear ( 25 ) formed with ratchets ( 27 ); a lever ( 31 ) comprising two ears ( 32 ) connected to the ear ( 25 ) of the movable jaw ( 20 ); a pawl ( 38 ) connected to the lever ( 31 ), the pawl ( 38 ) comprising ratchets ( 381 ) formed thereon for engagement with the ratchets ( 27 ) of the movable jaw ( 20 ); two pinions ( 35 ) connected to the ears ( 32 ) of the lever ( 31 ); two pushers ( 36 ) sandwiching the pinions ( 35 ) and each comprising a slot ( 360 ) defined therein and a rack ( 362 ) engaged with one of the pinions ( 35 ) so that the pushers ( 36 ) are moved as the pinions are rotated; a contact element ( 37 ) put against the pushers ( 36 ) so that the former can be pushed by means of the latter, the contact element ( 37 ) comprising two ears ( 370 ) sandwiching the pushers ( 36 ), each of the ears ( 370 ) of the contact element ( 37 ) defining a slot ( 36 ); a shaft ( 33 ) driven through the ear ( 25 ) of the movable jaw ( 20 ), the ears ( 32 ) of the lever ( 31 ) and the pinions ( 35 ) so that they are rotated together with one another, wherein the slots ( 360 ) of the pushers ( 36 ) and the slots ( 371 ) of the contact element ( 37 ) receive the shaft ( 33 ) in order to allow movement of the pushers ( 36 ) and the contact element ( 37 ) relative to the shaft ( 33 ).