Expansible chamber devices – With assembly or disassembly facilitating means
Patent
1978-12-04
1980-09-16
Maslousky, Paul E.
Expansible chamber devices
With assembly or disassembly facilitating means
92129, 92168, 85 36, 403361, 403372, F01B 2900, F16J 110, F16J 1518
Patent
active
042223105
ABSTRACT:
A vehicular air disc brake of the wedge actuator type in which the wedge actuator is secured to the air motor by an annular fastener which is snap locked in place in a blind bore in the free end of the wedge actuator and which acts to secure the free end of the piston rod of the air motor to the wedge actuator in response to generally linear movement of the piston rod into the fastener. The fastener is split to allow insertion into the blind bore in the free end of the wedge actuator, and includes a plurality of finger portions which together define a single helical thread disposed within the blind bore; this single thread allows the threads on the air motor piston rod to ratchet therepast upon insertion of the piston rod, allows the piston rod to be threaded out of the fastener for disassembly purposes, and, in the event of inadvertent backing out rotation of the piston rod, allows the piston rod to reseat in the blind bottom of the wedge actuator brake in response to the next actuation of the air motor.
REFERENCES:
patent: 3362506 (1968-01-01), Mossey
patent: 3375749 (1968-04-01), Coldren et al.
patent: 3391646 (1968-07-01), Schlosser
patent: 3395584 (1968-08-01), Cox et al.
patent: 3572478 (1971-03-01), Nagel et al.
patent: 4064973 (1977-12-01), Deem et al.
patent: 4071159 (1978-01-01), Robinson et al.
Garrett Wayne H.
Neuman Richard F.
Eaton Corporation
Maslousky Paul E.
McCloskey R. J.
Wood D.
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