Electricity: electrothermally or thermally actuated switches – Thermally actuated switches – Expansible or vaporizable fluid actuated
Patent
1988-05-16
1989-03-28
Broome, H.
Electricity: electrothermally or thermally actuated switches
Thermally actuated switches
Expansible or vaporizable fluid actuated
200 83WM, 337323, H01H 3736
Patent
active
048167975
ABSTRACT:
A control device, a slide member therefor and methods of making the same are provided, the slide member being movable in a linear direction and having a cam for acting on a range spring of the control device, the frame of the control device having a substantially flat section provided with opposed sides and with a slot passing through the sides thereof, the slide member having a first part thereof acting against one of the sides of the section and a second part thereof acting against the other of the sides of the section, the slide member having a third part thereof disposed in the slot of the section and interconnecting the first part and the second part together, the first part of the slide member comprising roller bearings disposed in rolling contact with the one side of the section of the frame.
REFERENCES:
patent: 4263489 (1981-04-01), Bergeson
patent: 4617432 (1986-10-01), Hanssen et al.
patent: 4696204 (1987-09-01), Buchshaw et al.
patent: 4774489 (1988-09-01), Kelly et al.
Broome H.
Robertshaw Controls Company
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