Lever arrangement for transmitting limited tilting motions

Details Lever arrangement for transmitting limited tilting motions Lever arrangement for transmitting limited tilting motions

1986-12-04

1988-03-08

Herrmann, Allan D.

Machine element or mechanism

Automatic operation or control

74520, 184109, 200153SC, 384286, 384291, 403158, 403162, G05G 1700, F16N 100

Patent

active

047292482

ABSTRACT:
A lever arrangement comprises a bearing pin and a supply space arranged next to the bearing opening of at least one of the levers and which contains a high-viscosity lubricant. In the operation of the lever arrangement with alternating tilting direction, the lubricant arrives, due to its inertia, in the respectively unstressed part of the bearing gap between the levers. The arrangement is suited particularly for highly stressed parts in the mechanism of circuit breakers which must be designed for space saving due to the small space available. The service life of such lever arrangements is increased substantially by arranging the lubricant in the supply space. The supply space can be part of a sleeve braced on the bearing pin.

REFERENCES:
patent: 629515 (1899-07-01), MacDonald
patent: 2285145 (1942-06-01), Burt
patent: 2400230 (1946-05-01), Fulke
patent: 3301984 (1967-01-01), Wilson
patent: 3336089 (1967-08-01), Krickler
patent: 3478787 (1969-11-01), Piller
patent: 3849619 (1974-11-01), Patel
patent: 4094208 (1978-06-01), Tsutsumi

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