Fluid actuated shift bar housing assembly having a centering cyl

Details Fluid actuated shift bar housing assembly having a centering cyl Fluid actuated shift bar housing assembly having a centering cyl

1986-12-12

1988-02-02

Braun, Leslie

Machine element or mechanism

Gearing

Interchangeably locked

74335, 74364, 74365, 74475, 74DIG2, F16H 322

Patent

active

047222379

ABSTRACT:
A pressurized fluid actuated shift bar housing assembly (12) for a change gear transmission (10) is provided having a plurality of shift bars (54, 56, 58), each shift bar having associated therewith a first (108) and a second (110) selectively pressurized and exhausted chamber utilized to axially position the shift bar in a first and second axially displaced position. A third relatively small volume selectively pressurized chamber (140) is utilized to positively axially position each of the shift bars in the nondisplaced axially centered positions thereof.

REFERENCES:
patent: 2924111 (1960-02-01), Backus et al.
patent: 2943502 (1960-07-01), Perkins et al.
patent: 2943719 (1960-07-01), McNamara et al.
patent: 3508450 (1970-04-01), Richards
patent: 3667309 (1972-06-01), Franz et al.
patent: 3863518 (1975-02-01), Webber et al.
patent: 4361060 (1982-11-01), Smyth
patent: 4388843 (1983-06-01), Teeter
patent: 4440037 (1984-04-01), Foxton et al.
patent: 4445393 (1984-05-01), Braun
patent: 4531422 (1985-07-01), Yarnell

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