Camming manual lever for pull-out load

Details Camming manual lever for pull-out load Camming manual lever for pull-out load

1999-03-31

2000-05-23

Marmor, Charles A.

192 clutches and power-stop control

Transmission and brake

Motor vehicle

188 31, 74518, B60T 106

Patent

active

06065581&

ABSTRACT:
A park lock mechanism for a transmission of a vehicle having a pawl pivotally mounted adjacent a park gear. The pawl selectively engages the park gear to prevent rotation of an output shaft. The mechanism also includes pawl actuator member having a generally flat portion on one end and an engaging surface on another end. The pawl actuator member selectively engages the engaging surface with or disengages the engaging surface from the park pawl. The mechanism further includes a manual lever, which rotates about an axis. The manual lever includes a first contact surface and a second contact surface; wherein the first contact surface is spaced closer to the axis than the second contact surface. Upon rotation of the manual lever in a first direction, the second contact surface drives the generally flat portion of the pawl actuator member to engage the pawl actuator member with the pawl. Upon rotation of the manual lever in a second direction, the first contact surface drives the generally flat portion of the pawl actuator member to disengage the pawl actuator member from the pawl. The force required to disengage the pawl actuator member and the park pawl is less than the usual, prior art force required to disengage the pawl actuator member and the park pawl. That is to say, the invention reduces the driver effort needed to disengage "Park."

REFERENCES:
patent: 2875856 (1959-03-01), Mrlik et al.
patent: 3700080 (1972-10-01), Delorean
patent: 3912050 (1975-10-01), Iwanaga et al.
patent: 4089394 (1978-05-01), Haupt et al.
patent: 4223768 (1980-09-01), Iwanaga
patent: 4310081 (1982-01-01), Kolacz
patent: 4474085 (1984-10-01), DeVogelaere et al.
patent: 4614256 (1986-09-01), Kuwayama et al.
patent: 4660443 (1987-04-01), Simancik
patent: 4667783 (1987-05-01), Sugano et al.
patent: 4690011 (1987-09-01), Sakai et al.
patent: 4727967 (1988-03-01), Ogasawara et al.
patent: 4907681 (1990-03-01), Kuusik et al.
patent: 4916961 (1990-04-01), Holbrook et al.
patent: 4982620 (1991-01-01), Holbrook et al.
patent: 5009116 (1991-04-01), Ordo et al.
patent: 5009117 (1991-04-01), Ordo et al.
patent: 5009118 (1991-04-01), Raszkowski et al.
patent: 5295412 (1994-03-01), Donato et al.
patent: 5526909 (1996-06-01), Ohkawa
patent: 5630339 (1997-05-01), Tuday
patent: 5685406 (1997-11-01), Crum et al.
patent: 5794748 (1998-08-01), Heuver et al.

Affiliated with

Also associated with

Rating

Camming manual lever for pull-out load does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Camming manual lever for pull-out load, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Camming manual lever for pull-out load will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1830414