Machine element or mechanism – Shaft operators – Preselected position
Patent
1981-06-11
1984-03-06
Herrmann, Allan D.
Machine element or mechanism
Shaft operators
Preselected position
334 7, H03J 512, G05G 102
Patent
active
044346735
ABSTRACT:
A cross arm structure for use in a pushbutton tuner comprising a frequency setting plate pivotally supported on the cross arm and a pushing member disposed adjacent to the frequency setting plate for pressing or releasing the frequency setting plate in response to the sliding operation of the pushbutton, characterized in that the frequency setting plate is kept in a pivotal position by means of an early lock preventing plate cooperable with a top end portion of the pushing member.
REFERENCES:
patent: 2659236 (1953-11-01), Allen
patent: 3680394 (1972-08-01), Thompson
Clarion Co. Ltd.
Herrmann Allan D.
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