F - Mech Eng,Light,Heat,Weapons – 16 – D
Patent
F - Mech Eng,Light,Heat,Weapons
16
D
F16D 65/60 (2006.01)
Patent
CA 2141948
An automatic slack adjusting mechanism for a rotary oscillatory cam (18) actuated brake assembly (10) including an elongated housing having an opening (41) therethrough and a bore (42), a worm gear (74) rotatably mounted in the opening (41), a shaft mounted for rotation in the bore and having a worm (45) nonrotatably secured thereto and drivingly engaging the gear (74). The opening (41) includes a first (114), second (116) and third bore (140) having successively smaller diameters and forming flanges inter- mediate thereof. The worm gear (74) has a circumferential portion and two annular face portions (120, 122) which define bearing surfaces. The worm gear (74) is maintained in sliding relation with the second bore (116) and a first intermediate flange (131) by an annular retainer (132) which is dis- posed in the third bore (140) in abutting relation with a second intermediate flange. The retainer (132) includes an annular channel formed from two coaxial axially extending portions connected by a radially extending por- tion which is filled with an elastomeric material (38) which forms an annu- lar face seal (136) maintained proximate an annular face (120) of the worm gear. The opposing annular faces (122) include seals (130) which coopera- tively define a sealed area which extends radially inwardly of said annular face portions (122).
Rockwell International Corporation
Shapiro Cohen
LandOfFree
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