Rotational power transfer device and related manufacturing...

Details Rotational power transfer device and related manufacturing... Rotational power transfer device and related manufacturing...

2011-01-18

2011-01-18

Hannon, Thomas R (Department: 3656)

Machine element or mechanism

Engine starters

Automatic

C074S00700R

Reexamination Certificate

active

07870801

ABSTRACT:
A rotational power transfer device and a method of manufacturing the same are provided. The rotational power transfer device includes a first rotary member and a second rotary member. The first rotary member has an inner periphery formed with a solid lubricating layer composed of a chemical film and molybdenum disulfide. The second rotary member has an outer cylindrical periphery applied with a layer of grease including a mixture of oil with a higher frictional coefficient than that of lubricating oil and molybdenum disulfide. The second rotary member is press fitted to the first rotary member to allow the outer cylindrical periphery thereof to be placed in face-to-face relation to the inner cylindrical periphery of the first rotary member, enabling a rotational power in excess to be stably absorbed without causing any increase in the rotational power at which the slippage occurs.

REFERENCES:
patent: 4523668 (1985-06-01), Uematsu et al.
patent: 4895035 (1990-01-01), Okamoto et al.
patent: 5418400 (1995-05-01), Stockton
patent: A-3-269092 (1991-11-01), None
patent: A 05-171168 (1993-07-01), None
patent: A-2006-77805 (2006-03-01), None
May 6, 2010 Office Action issued in Japanese Patent Application No. 2006-189344 (with translation).

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