Machine element or mechanism – Elements – Cams
Patent
1986-04-29
1987-09-29
Husar, Cornelius J.
Machine element or mechanism
Elements
Cams
200 81R, 200 83WM, 4034071, H01H 3534
Patent
active
046962042
ABSTRACT:
A water level control device and method of making the same are provided, the device comprising a frame provided with an elongated slot having a first portion, a movable cam follower carried by the frame for setting the desired water levels to be provided by the device, and a slide cam member having a projection extending through the slot to guide sliding movement thereof relative to the frame, the projection having an interlocking part interlocking with the frame while the projection is disposed in the first portion of the slot. The cam member has a cam surface engaging the cam follower to set the same in desired water level setting positions thereof when the projection is in the first portion of the slot. The slot has a second portion thereof for unlocking with the interlocking part when the projection of the cam member is disposed in the second portion whereby the cam member can be easily detached from or attached to the frame.
REFERENCES:
patent: 2641661 (1953-06-01), Puerner et al.
patent: 3249712 (1966-05-01), Rhodes et al.
patent: 4206780 (1980-06-01), Manecke et al.
patent: 4263489 (1981-04-01), Bergeson
patent: 4295019 (1981-10-01), Buckshaw
patent: 4617432 (1986-10-01), Hanssen et al.
Buckshaw Thomas M.
Llewellyn David T.
Fischetti Joseph A.
Husar Cornelius J.
Robertshaw Controls Company
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