Machine element or mechanism – Mechanical movements – Grip units and features
Patent
1975-02-26
1976-12-14
Scott, Samuel
Machine element or mechanism
Mechanical movements
Grip units and features
74200, F16H 1538
Patent
active
039968073
ABSTRACT:
A speed control device includes a pair of rotatable plates having power transmission rollers positioned in a toroidal track formed between the plates by an annular groove in the opposed face of each plate. Each plate is received within a rotatable housing to which the associated plate is keyed so the plate and associated housing must rotate with each other but leaving the plate axially movable relative to its housing. One housing is driven by an engine so its plate is a driving plate which drives the other, driven plate by means of the rollers. This drives the driven plate housing which is a driving housing used to drive an auxilliary device. The rollers are pivotably mounted on an axially immovable support. Biasing means responsive to rotation speed displaces the plates which pivots the rollers thereby changing the radial location of contact between the rollers and the plates. This changes the ratio of angular velocity at which the driven plate is driven relative to the driving plate.
REFERENCES:
patent: 2299857 (1942-10-01), Solness
patent: 2730904 (1956-01-01), Rennerfelt
patent: 3033048 (1962-05-01), Perruca
patent: 3330163 (1967-07-01), Liu
patent: 3394607 (1968-07-01), Hubert
patent: 3653272 (1972-04-01), Scheiter
patent: 3727474 (1973-04-01), Fullerton
Burke Allan R.
Cam Gears Limited
Scott Samuel
LandOfFree
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