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Patent No. 5719655

System for magnetically attaching templeless eyewear to a person

A system of eyewear that eliminates the need for hinges on the frames of the eyewear.

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Class 337/156 - Manually operated shunting, disconnect or load-break device


Subclass of Class 337 - Electricity: electrothermally or thermally actuated switches
Definition: Subject matter wherein the mechanical contact control means
No. of patents: 6
Last issue date: 08/20/1991


NumberTitleIssue Date
5041808Double load break switch and circuit
A multi-pole load break switch having two sets of contacts in each pole connected in series to isolate its fuse. Also disclosed is a circuit incorporating the switches of the invention in a double-ended switch board having two power supplies normally isol...
08/20/1991
4853822Circuit breaker
A circuit breaker for an electric device has a pair of switching pieces, an electric circuit for supplying electric power to the device, an arrangement for opening the electric circuit, an arrangement for locking the switching pieces to normally close the...
08/01/1989
4301339Electrical bridge attached to high current switch
A high current switch includes first and second contact plates, each having a contact surface. The contact plates are moved between a closed position with the contact surfaces in contact and an open position with the contact surfaces separated. An electri...
11/17/1981
4268811Circuit interrupting device
A circuit interrupting device is disclosed. A stationary contact is mounted within a stationary hollow insulator and connected to one side of an electrical circuit. A movable contact normally engages the stationary contact and is mounted for movement with...
05/19/1981
4183003Load-break fuse equipment
This load-break fuse equipment comprises two draw-out fuse assemblies, one of the load-break type and one of the non-load-break type, each removably mounted in its own individual receptacle. The load-break fuse assembly and its receptacle comprise a load-...
01/08/1980
4063298Insulated lightning arrester support with remote grounding control
A lightning arrester is mounted on one end of a rigid insulator bar, the other end of which is mounted by a metal bracket to the grounded casing of an electrical distribution transformer. The ground terminal of the arrester is electrically connected with ...
12/13/1977
 
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