Title: Detent for mechanical linkage

Abstract: A movable linkage has a surface of travel in which a generally V-shaped notch with edges is formed. A rotatable cam follower has first and second sides meeting to form a corner that fits in the notch. One of the sides of the cam follower is urged by a spring against the surface of travel of the linkage. The spring force acts in a direction transverse to one side of the notch and along the other surface of the notch. An arcuate concave relief on the first side of the cam follower adjacent to the corner is shaped to embrace one edge of the notch without such edge bottoming on the cam follower as the corner of the cam follower enters the notch.

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Inventors: Hurst, Jr., George H. (Huntington Beach, CA, US)

Application Number: 908723
Filing Date: 1978-05-23
Publication_date: 1979-11-20
Assignee:
Primary Class(es): 16/329 74/532, 74/540, 74/541
Other Classes:
US Patent Ref:

2206909	Jul, 1940	Lustig	74/532.
2485015	Oct, 1949	Radtke	74/532.
3124830	Mar, 1964	Gionet	16/140.
3381332	May, 1968	Jerila et al.	16/142.
3438083	Apr, 1969	Kirk	16/139.
3837040	Sep, 1974	Keller et al.	16/145.

Other Refs:
Primary Examiner: Vlachos, Leonidas
Assistant Examiner:
Attorney: Christie, Parker & Hale