Chucks or sockets – Radially reciprocating jaws – Jaws
Patent
1991-01-07
1993-04-06
Schwartz, Larry I.
Chucks or sockets
Radially reciprocating jaws
Jaws
B23B 3116
Patent
active
051997258
ABSTRACT:
An adjustable top jaw is provided which is attachable to a master jaw which is in turn attached to a chuck of a lathe or similar machine. The top jaw comprises a base segment, top segment drive block and a lead screw. The base segment is mountable on the master jaw. A lead screw aperture extends entirely through the base segment. A drive block slot extends downward from the top of the base segment into the base segment a distance below the lead screw aperture. The drive block is located within the drive block slot and has a first aperture extending therethrough colinearly with the lead screw aperture. The lead screw is located within the lead screw aperture and drive block aperture. The top segment is attachable to the base segment and has a drive block channel for receiving a part of the drive block. The rotation of the lead screw causes the drive block to move forward or backward thus moving the top segment forward or backward in accordance with the movement of the drive block.
REFERENCES:
patent: 295230 (1884-03-01), Colton
patent: 435405 (1890-09-01), Cushman
patent: 1033547 (1912-07-01), Cornil
patent: 1454148 (1923-05-01), Bisset
patent: 4431201 (1984-02-01), Morisaki
Schultz Robert
Schwartz Larry I.
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