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US 2014/0209429 A1Published application
Park mechanism for a motor vehicle
AssigneeFord Global Technologies, LLC
InventorsJeffrey J. Tumavitch, Brian J. Deurloo, Richard R. Hathaway
Life of this patent
Estimating the term…
Abstract
A park mechanism includes a cam pivotal between Park and not-Park ranges, including a radial outer surface formed with angularly spaced lobes, a roller urged by a spring into contact with the outer surface, a park spring urging the cam toward the Park-range, a power source for pivoting the cam, and a pawl actuated by cam movement into a Park state and a not-Park state.
Claims18
A park mechanism, comprising:
- a cam pivotal between Park and not-Park ranges, including a radial outer surface formed with angularly spaced lobes;
- a roller urged by a spring into contact with the outer surface;
- a park spring urging the cam toward the Park-range;
- a power source for pivoting the cam;
- a pawl actuated by cam movement into a Park state and a not-Park state.
2 more elements
A park mechanism, comprising:
- a cam pivotal between Park and not-Park ranges, including a radial outer surface formed with a first lobe located at a boundary between the Park and not-Park ranges and a second lobe spaced from the first lobe;
- a roller urged by a spring into contact with the outer surface;
- a park spring urging the cam toward the Park-range;
- a power source for pivoting the cam;
- a pawl actuated by cam movement into a Park state and a not-Park state.
2 more elements
A method for operating a park mechanism, comprising
- (a) supporting a cam to pivotal between Park and not-Park ranges on a radial outer surface formed with angularly spaced lobes;
- (b) using a spring to urge a roller into contact with the outer surface;
- (c) using a park spring to urge the cam toward the Park-range;
- (d) using a power source to pivoting the cam;
- (e) using cam movement to move a park pawl between Park and not-Park states.
2 more elements
Dependencies are inferred from the claim text.