Machine element or mechanism – Elements – Pawls and ratchets
Patent
1994-07-07
1995-11-21
Luong, Vinh T.
Machine element or mechanism
Elements
Pawls and ratchets
74512, 74528, 74537, 74538, 74539, 74577R, 74577M, 74542, C22B 900, C21C 710
Patent
active
054676665
ABSTRACT:
An improved non-jamming self-adjust pawl and ratchet mechanism for use in an automotive parking brake system or the like, includes cam-out and cam-in devices that are spaced to define an overlap dwell distance to insure suitable engagement between the adjuster pawl and the adjuster ratchet as a foot or hand brake operating lever is pivoted from a brake disengaged position toward a brake fully-engaged position. In the case of the foot-operated lever, the spacing distance between the cam-out and cam-in devices is greater than the bounce-back travel distance of the lever upon the removal of cable tension load thereon.
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Carlson Harold L.
Champ Larry B.
Koenig Peter C.
Marek Steven W.
Soucie Wayne L.
Dura Automotive Systems Inc.
Luong Vinh T.
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