Silencer-equipped grommet and structure for mounting the grommet

Details Silencer-equipped grommet and structure for mounting the grommet Silencer-equipped grommet and structure for mounting the grommet

1996-12-06

1998-04-07

Kincaid, Kristine L.

Electricity: conductors and insulators

Conduits, cables or conductors

Single duct conduits

174135, 174152G, 277178, H02G 318

Patent

active

057366772

ABSTRACT:
A grommet which passes through and is held by a hole formed in a panel includes a grommet portion and a silencer. The grommet portion is made of an elastic material, and has a large diameter portion having a rib portion, a small diameter portion, and an opening penetrating the large diameter portion and the small diameter portion. The silencer includes a noise insulating portion made of a hard noise insulating material, a front end portion of the noise insulating portion being inserted into the grommet portion, a recess portion for engaging the rib portion formed on the noise insulating portion, and a noise absorbing portion made of a soft noise absorbing material. The noise insulating portion and the noise absorbing portion are integrally formed, and a wire insertion hole is formed so as to penetrate the noise insulating portion and the noise absorbing portion.

REFERENCES:
patent: 3695386 (1972-10-01), Thien et al.
patent: 4097096 (1978-06-01), Kochendorfer
patent: 4378672 (1983-04-01), Lassiter
patent: 4797513 (1989-01-01), Ono et al.
patent: 4884251 (1989-11-01), Moxness
patent: 5270487 (1993-12-01), Sawamura
patent: 5579663 (1996-12-01), Likich et al.

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