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Class 335/63 - With magnetic or electromagnetically actuated delay means


Subclass of Class 335 - Electricity: magnetically operated switches, magnets, and electromagnets
Definition: Subject matter wherein the delay structure comprises magnetic
No. of patents: 14
Last issue date: 05/01/2007


NumberTitleIssue Date
7210487Three dimensional nail stencils and method of use
A three dimensional stencil for use in applying raised acrylic designs to nails comprises a generally flat, flexible portion adapted for contact with a portion of a fingernail or toenail, and a cut-out portion formed within the confines of the flexible portion. The ...
05/01/2007
5105551Buffered inking template
A template buffer element with cutouts which are larger than the interior cutouts of a template, attached to the template so that ink deposited on the drawing surface is separated from the working edge of the template by the buffer element, and the cutout...
04/21/1992
4710739Circuit breaker having shock-proof trip-actuating assembly
The trip mechanism of a molded case type circuit breaker is actuated by a plunger that is integral with and axially extends from the end of a reciprocally-movable core member of a solenoid mounted within the breaker housing. The free end of the plunger st...
12/01/1987
4697163Circuit breaker with impact trip delay
A circuit breaker having a trip delay mechanism characterized by a variable magnetic air gap that is adjustable to permit time delay at low level overcurrents to avoid nuisance tripping during motor starting....
09/29/1987
4639700Circuit interrupter with shock resistant mechanism
A circuit interrupter with shock resistant mechanism characterized by a circuit breaker/contactor device in combination with an electromagnetic actuator which comprises a pair of opposed and facing solenoids having aligned armatures for actuating a linkag...
01/27/1987
4436408Image forming apparatus including power switch operating means
Copying apparatus including a processing unit for forming a visible image on a copy material, a process control device for operatively controlling the processing unit, and a manual power switch unit for supplying power to electric loads of the processing ...
03/13/1984
4378541Time delay switch
In a time delay switch comprising: a delay action means comprising an oil dash pot (9) containing a piston (21) of magnetic-flux-responsive substance disposed in an oil-filled cylinder, a magnetic circuit containing a permanent magnet (18) mechanically linked ...
03/29/1983
4315231High-speed circuit breaker
High-speed breaker for an electric circuit, including a fixed contact, movable contact and a movable holder for the movable contact. An actuating rod is reciprocally movable toward and away from the fixed contact between first and second positions. A head...
02/09/1982
4238749High inrush current circuit breaker
An electromagnetic circuit breaker is provided having a flux producing solenoid and a movable armature attractable to the solenoid upon the occurrence of a predetermined current level and duration. A flux path in the form of members of low reluctance are ...
12/09/1980
4237436Circuit breaker having a modified armature for time delays at high transient currents
An electromagnetic circuit breaker comprising a solenoid coil and an armature actuatable by the coil. A tube of nonmagnetic material within which is a movable magnetizable core, the tube having a pole piece at one end toward which the armature is attracte...
12/02/1980
4117285Snap action circuit breaker
Disclosed is a snap action circuit breaker with a compact one piece steel frame in a two part, telescoping molded circuit breaker case. The compact construction is combined with a symmetrical toggle actuator to provide a pleasing appearance suitable for m...
09/26/1978
4062052Circuit breaker with improved delay
Disclosed is a magnetic circuit breaker having improved delay characteristics and particularly improved pulse tolerance. The trip coil of the breaker is spaced from the magnetic pole piece of a delay tube by a non-conductive, non-magnetic gap and the dela...
12/06/1977
3965450Electromagnetic device having a movable tube
An electromagnetic sensing device comprising a coil and a member magnetically coupled to the coil. An armature is movable relative to said member upon sufficient energization of the coil. A lever is carried by the member and is movable between first and s...
06/22/1976
3959755Circuit breaker with improved delay
Disclosed is a magnetic circuit breaker having improved delay characteristics and particularly improved pulse tolerance. The trip coil of the breaker is spaced from the magnetic pole piece of a delay tube by a non-conductive, non-magnetic gap and the dela...
05/25/1976
 
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