Machine element or mechanism – Rotary member or shaft indexing – e.g. – tool or work turret – Preselected indexed position
Patent
1987-04-23
1988-04-12
Bonck, Rodney H.
Machine element or mechanism
Rotary member or shaft indexing, e.g., tool or work turret
Preselected indexed position
74805, F16H 2506
Patent
active
047366540
ABSTRACT:
A transmitting unit used for the transmission with a fixed transmission ratio. The external shape is similar to ordinary rolling bearings performs transmission with reduction of speed or increase of speed in a clockwise or counterclockwise direction, the input and output shafts being on the same axis. The transmitting unit comprises a dual eccentric sleeve, a transmitting race with equally divided radial grooves, with transmitting rods enclosing rolling members at both ends so that each covered length equals the radius of a rolling member, an internal gear race and rolling bearings. The transmission bearing can be installed in the main machine and no transmission cases are needed. It may also be installed as a generally used variable speed transmission mechanism, and can be used in industries requiring the use of various transmission mechanisms with fixed transmission ratios.
REFERENCES:
patent: 2508121 (1950-05-01), McIver
patent: 2874594 (1959-02-01), Sundt
patent: 3468175 (1969-09-01), Rabek
patent: 3852998 (1974-12-01), Leeson
Bonck Rodney H.
Hubei Institute of Machinery
Testardi David A.
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