Magnets and electromagnets > With magneto-mechanical motive device (e.g., electromagnet with armature) > Alternating current type > With chatter- or noise-preventing means > Spring or cushion-type vibration absorber > Patents

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Class Information
Number: 335/248
Name: Electricity: magnetically operated switches, magnets, and electromagnets > Magnets and electromagnets > With magneto-mechanical motive device (e.g., electromagnet with armature) > Alternating current type > With chatter- or noise-preventing means > Spring or cushion-type vibration absorber
Description: Subject matter wherein the chatter or noise preventing means include spring or cushion type vibration absorbers.

Patents under this class:

Patent Number	Title Of Patent	Date Issued
6830231	Electromagnetically actuated valve	Dec. 14, 2004
5889455	Electromagnet in which a coil member is inclined in an annular groove of a core	Mar. 30, 1999
4710740	Electromagnetic operator for a contactor with improved shock pad	Dec. 1, 1987
4706037	Soft-contact solenoid contactor	Nov. 10, 1987
4477789	Solenoid armature cushion	Oct. 16, 1984
4456900	High frequency coil	Jun. 26, 1984
4215331	Pressure contact between ferrules and fusible element of electric fuses	Jul. 29, 1980
4072919	Solenoid construction	Feb. 7, 1978
3992687	Buzz-proof solenoid	Nov. 16, 1976