Machine element or mechanism – Shaft operators – Preselected position
Patent
1980-02-05
1982-05-25
Herrmann, Allan D.
Machine element or mechanism
Shaft operators
Preselected position
334 7, H03J 512
Patent
active
043310389
ABSTRACT:
A push-button type tuner apparatus comprises a slide cam member having a plurality of V-shaped cam parts formed therein and supported slidably in the transverse direction on a frame structure, and a plurality of manually operated structure supported slidably backwards and forwards on the frame structure. Each manually operated structure is provided with a memory member for restricting the position of the slide cam member when engaged with an associated V-shaped cam part thereof, a clamp member for supporting the memory member in a clampable manner, and a clamp cam member supported to slide with respect to the clamp member and for causing the clamp member to undergo clamping operation responsive to slide motion of the clamp cam member. The clamp member is of two-arm structure and has a pair of arms with a slot therebetween and a support part for supporting the memory member at a rear part of the slot, at least one arm undergoing rotational displacement to approach and separate from the other arm to clamp the memory member. The clamp cam member is disposed to confront the pair of arms of the clamp member and to be brought into contact with the pair of arms to cause at least one arm to undergo rotational displacement responsive to slide motion of the clamp cam member.
REFERENCES:
patent: 2310003 (1943-02-01), Wells
patent: 4133214 (1979-01-01), Cicala
patent: 4189949 (1980-02-01), Righi et al.
patent: 4231263 (1980-11-01), Antonello
patent: 4279170 (1981-07-01), Righi et al.
Handal Anthony H.
Herrmann Allan D.
Meller Michael N.
Mitsumi Electric Co. Ltd.
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