Machine element or mechanism – Control lever and linkage systems – Elements
Patent
1976-06-03
1977-07-19
Croyle, Carlton R.
Machine element or mechanism
Control lever and linkage systems
Elements
74531, 74539, G05G 522, G05G 116
Patent
active
040360784
ABSTRACT:
A vehicle parking brake pedal positioning mechanism of the disclosure positions a parking brake pedal in an actuated condition against pivotal movement toward a released position by an infinite position locking action. A frame of the mechanism rotatably supports the brake pedal and a locking member about a common pivotal axis so as to be rotatable with respect to the frame and each other. The frame and the locking member respectively include first and second cam surfaces extending about the pivotal axis and having portions with increasing radii from the axis in a direction corresponding to the brake pedal movement from the released position to the actuated condition. A slide mounted to rotate with the brake pedal but to slide relative thereto has first and second opposite ends respectively engaged in a slidable manner with the first and second cam surface portions on the frame and the locking member such that the slide is locked between the cam surface portions to hold the pedal in the actuated condition in an infinite position manner. The locking member is normally spring biased about the pivotal axis in a direction so as to maintain the engaged condition between the second cam surface portion thereof and the second end of the slide and is selectively moved in the opposite direction to release the pedal for movement back to the released position. Preferably, the frame of the mechanism has a plate-like construction that is stamped to form a depression having a round aperture concentric with the pivotal axis and first and second round depression portions, with the first round depression portion defining the first cam surface, and with the second round depression portion mounting the locking member which has a round configuration and a round aperture that defines the second cam surface. A journal fixed to the brake pedal is rotatably supported within the round depression aperture of the frame and within a round aperture in a plate that maintains the locking member within the depression, and the journal includes a slot that receives the slide so that its opposite ends can engage the cam surface portions. A first leaf spring extends between the brake pedal and the locking member to provide the locking member bias and a pad pivotally mounted on the brake pedal is connected to the first leaf spring by a second leaf spring so as to be actuatable to release the locking member.
REFERENCES:
patent: 2603323 (1952-07-01), Muehling
patent: 2884805 (1959-05-01), Krause
patent: 2935895 (1960-05-01), Krause
patent: 3069764 (1962-12-01), Swats et al.
Croyle Carlton R.
Smith Leonard
LandOfFree
Brake pedal positioning mechanism does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Brake pedal positioning mechanism, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Brake pedal positioning mechanism will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2287249