Robert F Strachan

US Patent:

41862848, Jan 29, 1980

Filed:

Feb 27, 1978

Appl. No.:

5/881530

Inventors:

Robert Strachan - Wolcott CT

Assignee:

Robertshaw Controls Company - Richmond VA

International Classification:

H01H 900
H01H 342

US Classification:

200 1A

Abstract:

An electrical switch construction having two pairs of cooperable contacts each pair of which is adapted to be opened and closed independently of the other pair, a single manipulator being carried by the construction and being operatively associated with the pairs of contacts to operate either pair independently of the other pair by a cam member carried by the manipulator and having a generally rectangular profile defined by two right angle corners and two rounded corners.

US Patent:

41821122, Jan 8, 1980

Filed:

Jan 26, 1978

Appl. No.:

5/872610

Inventors:

Robert Strachan - Wolcott CT
Carl J. Goodhouse - Litchfield CT

Assignee:

Robertshaw Controls Company - Richmond VA

International Classification:

G04F 306

US Classification:

58 395

Abstract:

A control panel unit for a cooking apparatus having a clock construction for indicating the time of day and a timer control unit for selecting a delayed time period and a cooking time period for causing the apparatus to provide a cooking operation for the cooking time period following the elapsing of the delay time period, the clock construction comprising an electronic clock unit and the timer control unit comprising an electromechanical control unit operating independently of the electronic clock unit.