Brakes – Vehicle – Positive lock
Patent
1998-10-02
1999-11-02
Butler, Douglas C.
Brakes
Vehicle
Positive lock
188273, 123321, 123 9039, F02D 1304
Patent
active
059752513
ABSTRACT:
The present invention is directed to a locking assembly for use in a rocker arm assembly for an engine brake assembly. The rocker arm assembly includes a rocker arm pivotally mounted on a shaft. The rocker arm has a first end and a second end, wherein the first end includes a cam follower and the second end includes an actuator assembly for operating at least one valve during a braking operation. The improved rocker arm includes a locking assembly for releasably securing the rocker arm to the shaft to prevent pivoting of the rocker arm during a positive power operation. The locking assembly includes a releasable latching assembly located on one of the rocker arm and the shaft. The locking assembly also includes a latch receiving recess located on another of the rocker arm and the shaft. The releasable latching assembly engages the latch receiving recess during a positive power operation. The releasable latching assembly disengaging the latch receiving recess during an engine braking operation such that the rocker arm can pivot about the shaft.
REFERENCES:
patent: 4612887 (1986-09-01), Yoshizaki
patent: 4726332 (1988-02-01), Nishimura et al.
patent: 5626116 (1997-05-01), Reedy et al.
Butler Douglas C.
Diesel Engine Retarders, Inc.
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