Machine element or mechanism – Control lever and linkage systems – Hand operated
Patent
1987-07-31
1989-02-21
Moore, Richard E.
Machine element or mechanism
Control lever and linkage systems
Hand operated
74548, 74529, 74540, 192 67R, G05G 100
Patent
active
048054801
ABSTRACT:
A hand brake lever assembly includes a plunger mounted on a support for axial slidable movement and for rotation about its axis and being connected at its one end to a parking brake, a locking mechanism associated with the plunger to retain the plunger in a pulled out position against a returning effort of the parking brake acting thereon and being arranged to be released by rotation of the plunger, a sleeve member secured to the other end of the plunger and having an annular end wall formed with a first annular cam surface and an axial key groove, a handle having a shaft extending therefrom and inserted into the sleeve member, the handle shaft being formed with an axial guide groove and being integrally provided with a cam member which is formed with a second annular cam surface complementary with the first cam surface and is axially slidably coupled within the sleeve member, a first spring for pressing the annular cam surfaces in contact with each other, a release rod axially slidably coupled with the guide groove for rotation with the handle, the release rod being formed at its one end with a key to be brought into engagement with the axial key groove and being provided at its other end with a knob, and a second spring for biasing the knob toward the plunger to disengage the key of the release rod from the axial key groove of the sleeve member.
REFERENCES:
patent: 2567571 (1951-09-01), Merriman
patent: 3004286 (1971-09-01), Foreman
patent: 3075402 (1963-01-01), Sellars
patent: 3168933 (1965-02-01), Thorner
patent: 3191979 (1965-06-01), Trudeau
patent: 3243837 (1966-04-01), Smith
patent: 3473403 (1969-10-01), Biro
patent: 3577798 (1971-05-01), Guettier
patent: 4240307 (1980-12-01), Yamazaki et al.
Inaba Takuya
Nakagiri Yoshihiro
Shibatani Juichi
Tachino Tomio
Tsubouchi Kaoru
Aisin Seiki Kabushiki Kaisha
Luong Vinh
Moore Richard E.
Toyota Jidosha & Kabushiki Kaisha
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