Floating pin retractors for clutch pistons

Details Floating pin retractors for clutch pistons Floating pin retractors for clutch pistons

1976-01-28

1977-07-12

Wyche, Benjamin W.

192 clutches and power-stop control

Clutches

Operators

403353, 192 7028, 92130D, 188 724, F16D 2500

Patent

active

040348342

ABSTRACT:
A rotating clutch assembly has an annular axially movable clutch piston for engaging and disengaging the clutch. The piston is moved in one direction by means of fluid under pressure and in an opposite direction under the influence of spring-biased retractor pins. The annular piston is mounted within a housing member and a plurality of the retractor pins transpierce the housing member and engage the annular piston in free-floating, self-aligning disposition, The annular piston is equipped with a plurality of enlarged slots and recesses and the retractor pins are each equipped with an enlarged shoulder portion adapted to be loosely received within the recesses of the annular piston. Assembly of the piston in the housing member is greatly facilitated in that alignment of the retractor pins within the receiving slots of the piston is non-critical and self-adjusting.

REFERENCES:
patent: 2002367 (1935-05-01), Fahrney
patent: 2240219 (1941-04-01), Lambert
patent: 2511520 (1950-06-01), Walton
patent: 2596556 (1952-05-01), Hollerith
patent: 2885033 (1959-05-01), Albright
patent: 3199646 (1965-08-01), McBride
patent: 3768603 (1973-10-01), Hoffman

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