Can operated timer with improved housing

Details Can operated timer with improved housing Can operated timer with improved housing

1989-03-29

1991-06-18

Scott, J. R.

Electricity: circuit makers and breakers

Retarded

Clock train

200 38B, 200303, H01H 4300, H01H 900

Patent

active

050251171

ABSTRACT:
A u-shaped timer housing body has a pair of elongated legs, a closed end, an open end, and a pair of open sides. There are a plurality of electrical switches, each switch including a pair of contacts, one of which comprises a terminal-switch blade combination passing through and secured to the closed end of the housing body. A cylindrical cam assembly, including a cam shaft, is rotatably supported by a pair of side panels, one end of the shaft mounted in a bearing in each of the panels. The panels and the housing body have a tongue and groove construction which permits the panels to be slid into the housing body along the legs, the panels closing the open sides and the cam assembly entering the housing through the open end, in a direction along a radius of the cam axis. A cover plate snaps onto the housing body, closing the open end and locking the panels and the cam assembly in place.

REFERENCES:
patent: 2960580 (1960-11-01), Aquillon
patent: 3390243 (1968-06-01), Obermann
patent: 3627937 (1971-12-01), Swanke et al.
patent: 3725624 (1973-04-01), Emmons
patent: 3727015 (1973-04-01), Voland et al.
patent: 3742159 (1973-06-01), Brown
patent: 4538037 (1985-08-01), Amonett

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