| 摘要 |
563,870. Hand vices etc.; clamps. MARSDEN, A. March 15, 1943, No. 4193. [Class 61 (ii)] A hand clamp has both jaws 1, 2 adjustable on a pair of rods or bolts 3, the jaw 1 roughly adjustable by means of pins 6 disengageable from notches 5 along the rods and the jaw 2 finely adjustable by nuts 13, 14 on the threaded extremities 4, the nut 13 without and the nut 14 within the jaw 2. |
