Detent for mechanical linkage
First Claim
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1. A detent for a mechanical linkage comprising:
- a movable linkage member;
a rotatable cam follower member;
a generally V-shaped notch with edges and a vertex formed on one of the members;
first and second sides on the other member meeting to form a corner that fits in the notch;
means for urging the cam follower member and the surface of travel of the linkage member against each other; and
an arcuate concave relief on the first side of the other member adjacent to the corner, the relief being shaped to embrace one edge of the notch without such edge bottoming on the other member as the corner of the other member enters the notch from a given direction.
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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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Citations
1 Claim
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1. A detent for a mechanical linkage comprising:
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a movable linkage member; a rotatable cam follower member; a generally V-shaped notch with edges and a vertex formed on one of the members; first and second sides on the other member meeting to form a corner that fits in the notch; means for urging the cam follower member and the surface of travel of the linkage member against each other; and an arcuate concave relief on the first side of the other member adjacent to the corner, the relief being shaped to embrace one edge of the notch without such edge bottoming on the other member as the corner of the other member enters the notch from a given direction.
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Specification