Adjustable member for reducing clamp load losses in a locking ja

Details Adjustable member for reducing clamp load losses in a locking ja Adjustable member for reducing clamp load losses in a locking ja

1977-11-25

1978-07-04

Watson, Robert C.

Work holders

Relatively movable jaws

With means for 'hold-down' component of force

269244, B23Q 302

Patent

active

040985008

ABSTRACT:
A locking jaw machine vise which includes a fixed jaw rigidly mounted on a frame, and a movable jaw slidably mounted on ways or guides for movement toward and away from the fixed jaw. The sliding jaw is driven by an actuating nut and screw. The actuating nut has an inclined surface that interlocks with the sliding jaw to provide a downward force on the sliding jaw to prevent the sliding jaw from tilting when it is clamped. A set screw is provided on the device to limit the amount of movement of the movable jaw toward the actuating nut to minimize any tendency of the jaw and the nut to bind on the ways or guides used for the sliding jaw.

REFERENCES:
patent: 2880638 (1959-04-01), Muggli et al.
patent: 3397880 (1968-08-01), Kuban
patent: 4043547 (1977-08-01), Glomb et al.

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