Electrical transmission or interconnection systems – Switching systems – Switch actuation
Patent
1988-02-10
1989-08-01
Roskoski, Bernard
Electrical transmission or interconnection systems
Switching systems
Switch actuation
206 38DA, 206 38DB, H01H 708
Patent
active
048535583
ABSTRACT:
A timer device has the ability to be programmed to skip specified time intervals where it is desired that the operative sequence initiated at predetermined times be avoided. The device has moveable timing elements which can be inserted at selected locations on a rotating timing dial to determine the start, termination and duration of an operative sequence. Additional moveable elements on an associated slip wheel can be inserted at selected locations to determine a time interval during which the operative sequence can be avoided.
REFERENCES:
patent: 2300513 (1942-11-01), Lenehan
patent: 2688366 (1954-09-01), Morrison
patent: 3033950 (1962-05-01), Flegal
patent: 3573403 (1971-04-01), Poschman et al.
patent: 4061893 (1977-12-01), Sanner
Paragon Electric Company, Inc.
Roskoski Bernard
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