H - Electricity – 01 – H
Patent
H - Electricity
01
H
306/328
H01H 35/24 (2006.01) H01H 35/26 (2006.01)
Patent
CA 1102854
Abstract of Disclosure A pressure control assembly having a snap-acting Belleville washer responsive to fluid pressure, and a switch actuating mechanism movable therewith, includes an adjusting mechanism for the snap-acting Belleville washer. The adjusting mechanism includes at least one pin which can be moved along the surface of the Belleville washer to change the Belleville washer's pivot point by increasing or de- creasing its lever arm, thus varying its snap pressure. In the preferred embodiment, there are three pins which extend through aligned slots in an upper and lower plate and the pins can be moved radially inwardly and outwardly by rotating the lower plate relative to the upper plate.
314688
Crepeau Robert G.
Schultz Phillip E.
Allen-Bradley Company Inc.
Fetherstonhaugh & Co.
LandOfFree
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