Adjustable tension and/or compression tap holder

Details Adjustable tension and/or compression tap holder Adjustable tension and/or compression tap holder

1975-11-03

1976-07-06

Simpson, Othell M.

Chucks or sockets

Socket type

Self-centering of floating

10135R, 279 76, 408239A, B23B 3108, B23G 146, B23G 306

Patent

active

039678300

ABSTRACT:
An adjustable tension and/or compression tap holder includes a shank adapted for rotative drive and longitudinal feed and mounting a drive socket at one end. A cylindrical carrier slidably nested within said socket and has a series of drive slots which receive a corresponding series of drive balls nested within said socket interconnecting said shank and carrier for rotation in unison and providing for longitudinal adjustment of the carrier relative to the socket. The carrier is adapted to receive a tap retaining bushing. A tension and compression adjusting screw is nested within said shank and at one end, loosely secured upon said carrier. A tension and compression adjusting nut is threaded into said shank and is interconnected with said screw so that rotation of the screw will effect longitudinal adjustment of the adjusting nut. The tension spring is interposed between said nut and said screw biasing the screw inwardly of the socket and an additional compression spring is interposed between said nut and carrier whereby longitudinal adjustment of the nut regulates the degree of tension and compression within the longitudinal scope of the carrier and connected screw relative to said shank and socket.

REFERENCES:
patent: 3091473 (1963-05-01), Bilz
patent: 3652099 (1972-03-01), Bilz
patent: 3751051 (1973-08-01), Schmidt

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