Solenoid assembly with shock absorbing feature

Details Solenoid assembly with shock absorbing feature Solenoid assembly with shock absorbing feature

2011-01-04

2011-01-04

Mai, Anh T (Department: 2832)

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

C335S255000, C335S220000, C251S129150

Reexamination Certificate

active

07864008

ABSTRACT:
A solenoid assembly includes a solenoid having a coil provided with a passageway and a plunger movable within the passageway upon application of electrical power to the coil. A frame holds the solenoid and includes a backstop movably mounted in the frame extending into the coil passageway. The backstop is selectively engaged by the plunger such that the backstop and the plunger are subjected to an impact therebetween. A resilient dampening element is positioned between the frame and the backstop for cushioning the impact between the backstop and the plunger.

REFERENCES:
patent: 4217507 (1980-08-01), Jaffe et al.
patent: 4835503 (1989-05-01), Everett
patent: 5268662 (1993-12-01), Uetsuhara et al.
patent: 6242994 (2001-06-01), Li et al.
patent: 2001/0023876 (2001-09-01), Estelle et al.
patent: 2003/0030524 (2003-02-01), Sato et al.
patent: 2004/0201442 (2004-10-01), Herbert et al.

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