192 clutches and power-stop control – Elements – Engaging surfaces
Patent
1982-08-04
1985-06-18
Bonck, Rodney H.
192 clutches and power-stop control
Elements
Engaging surfaces
106 36, 188251A, 192113R, F16D 6902, F16D 1374
Patent
active
045236682
ABSTRACT:
A friction material made of a molded cork, a friction surface of which is covered with a liquid or semi-solid lubricant layer including a solid lubricant layer comprising a solid lubricant having a larger particle size and a solid lubricant having a smaller particle size and filling vacant spaces between the larger-sized solid lubricant in dense form, affords a long service life when used in a power controlling apparatus which can transmit power and/or change rotation speed by applying friction and using a friction material.
REFERENCES:
patent: 1293107 (1919-02-01), Johnson
patent: 1301612 (1919-04-01), Simpson
patent: 2054210 (1936-09-01), Weisenburg
patent: 2284785 (1942-06-01), Wilkey
patent: 2818634 (1958-01-01), Batchelor et al.
patent: 2899740 (1959-08-01), Cox
patent: 3143895 (1964-08-01), Robie
patent: 3684062 (1972-08-01), Johnson
Honma Yoshiharu
Ito Ran
Matsubayashi Jun
Tanno Seikichi
Uematsu Takao
Bonck Rodney H.
Hitachi , Ltd.
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