192 clutches and power-stop control – Stop mechanism – Limit stop
Patent
1989-06-02
1990-06-12
Bonck, Rodney H.
192 clutches and power-stop control
Stop mechanism
Limit stop
188134, 192 7, F16D 7100, F16D 6514
Patent
active
049325116
ABSTRACT:
A rotary travel limit stop is provided for the purpose of providing positive mechanical stops for rotating machinery. Second and third rotatable members are arranged in gear mesh relation with a first rotatable member. The second and third rotatable members are provided with unequal numbers of teeth so that rotation of the first rotatable member will cause the second and third rotatable members to rotate at different rotational speeds. This, in turn, causes relative rotational movement to occur between the second and third rotatable members. A movable stop member is provided in movable relation with the second rotatable member and this movable stop member is disposed in sliding contact with an annular groove of the third rotatable member. The annular groove is provided with ramps which cause the movable stop member to move away from the third rotatable member during a portion of its rotation after the second rotatable member has rotated a predetermined number of revolutions. The axial movement of the movable stop member which is caused by the ramp portions of the annular groove caused the movable stop member to move into physically interfering relation with a fixed stop member, thus causing the entire mechanism to come to a stop when the movable stop member moves into contact with a fixed stop member.
REFERENCES:
patent: 2356167 (1944-08-01), McKelvey
patent: 2823561 (1958-02-01), Opocenski
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.
patent: 4721196 (1988-01-01), Layer et al.
Bonck Rodney H.
Lanyi William D.
Sundstrand Corporation
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