Structure of rotary electronic device with push/turn operating b

Details Structure of rotary electronic device with push/turn operating b Structure of rotary electronic device with push/turn operating b

1997-05-22

1999-04-13

McDermott, Corrine M.

Electricity: circuit makers and breakers

Solid contact

Push button operated

200523, 200323, H01H 1962, H01H 1356, H01H 152

Patent

active

058941185

ABSTRACT:
A rotary electronic device such as a rotary encoder is provided which includes a rotor, a push/turn operating shaft, and a rotary sliding member. The rotor provides electric signals in response to rotation of the push/turn operating shaft and has formed therein a through hole consisting of a circular hole and a cross-shaped hole. The push/turn operating shaft includes a small diameter end portion and a cross-shaped portion engaging the cross-shaped hole of the rotor for rotating the rotor according to the rotation of the push/turn operating shaft. The rotary sliding member is connected to the small diameter end portion of the push/turn operating shaft in engagement with tapered end surfaces of the cross-shaped portion of the push/turn operating shaft within the cross-shaped hole of the rotor and slides onto tapered end surfaces formed on an inner wall of the rotor between the circular hole and the cross-shape hole to hold the push/turn operating shaft in push-in position when the push/turn operating shaft is pushed into the rotor to move the rotary sliding member out of the cross-shaped hole of the rotor.

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patent: 5068506 (1991-11-01), Suzuki
patent: 5310974 (1994-05-01), Churchill et al.
patent: 5432312 (1995-07-01), Otani et al.

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