Electricity: conductors and insulators – Feedthrough or bushing – With opening retaining member
Reexamination Certificate
2011-07-12
2011-07-12
Patel, Dhiru R (Department: 2835)
Electricity: conductors and insulators
Feedthrough or bushing
With opening retaining member
C174S1520GM, C174S151000, C174S135000, C016S002100, C248S056000
Reexamination Certificate
active
07977585
ABSTRACT:
A closed-type motor has an elastic grommet with a through-hole into which a lead wire is inserted. The grommet covers an opening portion of a case. An elastic tube is connected to the grommet, and a cover covers the grommet. The grommet includes a pedestal portion abutted to the case; a tubular projection with the through-hole; and an annular groove surrounding a basal portion of the tubular projection. The tubular projection has an internal sectional area being equal to or larger than the one of the lead wire. The tube has an internal sectional area being equal to or larger than the one of the lead wire and has an inner diameter being equal to or less than an outer diameter of the tubular projection. The cover is provided with a central hole having a diameter being equal to or larger than an outer diameter of the tube.
REFERENCES:
patent: 5060891 (1991-10-01), Nagy et al.
patent: 5925851 (1999-07-01), Sugahara
patent: 6257923 (2001-07-01), Stone et al.
patent: 6364724 (2002-04-01), Nozawa et al.
patent: 7291785 (2007-11-01), Riester et al.
patent: 7709755 (2010-05-01), Pfister
patent: A-2002-034199 (2002-01-01), None
Mizukami Hidenori
Ohkouchi Katsufumi
Yoshizawa Takeshi
Minebea Motor Manufacturing Corporation
Oliff & Berridg,e PLC
Patel Dhiru R
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