Rotary travel limit stop

Details Rotary travel limit stop Rotary travel limit stop

1989-06-02

1990-06-05

Bonck, Rodney H.

192 clutches and power-stop control

Stop mechanism

Limit stop

192 7, 188134, F16D 7100, F16D 6514

Patent

active

049306111

ABSTRACT:
A rotary travel limit stop is provided to cause the rotation of the rotary actuator to cease. Second and third rotatable members are arranged in gear mesh association with the first rotatable member and the second and third rotatable members are provided with different numbers of gear teeth so that the rotate at different speeds when the first rotatable member is caused to rotate. The different rates of rotation of the second and third rotatable members result in an axial movement away from each other by the second and third rotatable members when a cam structure is positioned at a preselected relative location as a result of a relative rotation between the second and third rotatable members.
This axial movement of the second and third rotatable members away from each other causes moveable stop pins or protuberances to move into interfering relation with fixed stop pins or protuberances. During the following revolution of the second and third rotatable members, the stop pins or protuberances move into contact with each other and stop subsequent rotation of the device.

REFERENCES:
patent: 2356167 (1944-08-01), McKelvey
patent: 2852630 (1958-09-01), Burrows
patent: 3147629 (1964-09-01), Michalec
patent: 3203262 (1965-08-01), Beer
patent: 3662610 (1972-05-01), Thoen
patent: 4064981 (1977-12-01), House et al.
patent: 4641737 (1987-02-01), Gillingham et al.

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