Chuck with improved jaw actuator support structure

Details Chuck with improved jaw actuator support structure Chuck with improved jaw actuator support structure

1981-08-24

1983-12-27

Kazenske, E. R.

Chucks or sockets

Radially reciprocating jaws

Toggle actuated

279119, B23B 534, B25G 322

Patent

active

044226551

ABSTRACT:
A chuck for heavy duty applications has a plurality of radially slidable jaw mounts each actuated by an L-shaped lever mounted for rocking motion about a supporting trunnion. The levers each have a leg engaging one of the jaw mounts and another engaging an actuator. An external lubricant receiving port is provided adjacent each trunnion and a multiple conduit lubricant distribution system is provided extending through the supporting trunnion and actuating lever. The chuck body also has a lubricant flow channel through which lubricant flows circumferentially of the chuck to assure uniform distribution, eliminating lubricant concentrations and eccentric weight distribution in the chuck.

REFERENCES:
patent: 2422785 (1947-06-01), Johnson
patent: 2729459 (1956-01-01), Leifer
patent: 2814496 (1957-11-01), Damijonaitis
patent: 3085813 (1963-04-01), Sampson
patent: 3797837 (1974-03-01), Roddy et al.

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