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Class 337/38 - Plural elements combined with single mechanical means


Subclass of Class 337 - Electricity: electrothermally or thermally actuated switches
Definition: Subject matter including at least two or more electrothermal
No. of patents: 8
Last issue date: 04/08/2003


NumberTitleIssue Date
6545584Circuit breaker with inertia device to prevent shockout
A pair of spring mounted masses have sufficient inertia to remain stationary in response to a shock force applied to the housing of a trip assembly in a circuit breaker to block movement of the trip bar and thereby prevent a nuisance trip....
04/08/2003
6160470Circuit breaker
A circuit breaker includes an upper rail mounting device defined by a line terminal having a pair of spaced-apart jaws. A bimetal is adjusted by means of a calibration screw. An aperture is provided in an upper sidewall portion of a base of the circuit br...
12/12/2000
6154116Thermal circuit breaker switch
The thermal circuit breaker and switch has fixed and movable contacts, and non-conductive contact and trip actuators. The movable contact is provided on the free end of a lever arm that normally biases the movable contact toward its open position. The con...
11/28/2000
6104273Calibration assembly and process for use in a circuit protective device
In an exemplary embodiment of the invention, a calibration arrangement and process for use in a circuit protective device are presented. An exemplary calibration assembly for use in the calibration process of the present invention includes a split clamp a...
08/15/2000
6094126Thermal circuit breaker switch
The thermal circuit breaker and switch has fixed and movable contacts, and non-conductive contact and trip actuators. The movable contact is provided on the free end of a lever arm that normally biases the movable contact toward its open position. The con...
07/25/2000
4528539Reduced-size thermal overload relay
A reduced-size thermal overload relay having a housing (2) that includes three narrow compartments (2k, 2l, 2m) in which are mounted three connector brackets (16,18,20) supporting three flat bimetal members (16j, 18j, 20j). Three narrow cassette heaters (...
07/09/1985
4489299Secondary circuit breaker for distribution transformer
A secondary circuit breaker for a distribution transformer characterized by electrical inductive apparatus within an oil-filled housing, and circuit interrupter for controlling current flow through the transformer and comprising a releasable latch arm, tr...
12/18/1984
4307367Bi-stable relay
One reed of a pair of parallel reeds has a rod extending to opposite sides of the pair. A bimetallic snap disc can be heated to snap against one end of the rod and thus flex the reed to engage a contact on that reed with a contact on the other reed and th...
12/22/1981
 
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