Supports – Machinery support – Including vibration isolation means
Reexamination Certificate
2007-12-07
2009-06-30
Ramirez, Ramon O (Department: 3632)
Supports
Machinery support
Including vibration isolation means
C411S107000, C411S999000
Reexamination Certificate
active
07552902
ABSTRACT:
An object such as an electromagnetic valve is resiliently mounted (or in a floating manner) on a mounting base such as an intake manifold of an internal combustion engine. A valve port of the electromagnetic valve is connected to a connecting hole of the intake manifold via an O-ring, and a stay connected to the electromagnetic valve is coupled to a bolt via a resilient member such as a grommet. The bolt is rotated to be fastened to the intake manifold by screwing. A rod portion of the bolt is inserted into a hole of the grommet. Projections and depressions such as grooves extending along the rotational direction of the rod portion are formed on the inner surface of the grommet hole to reduce a contacting area and abrasion force between the grommet and the rod portion. In this manner, deformation of the grommet caused by rotation of the rod portion is suppressed.
REFERENCES:
patent: 6059503 (2000-05-01), Johnson
patent: 6162038 (2000-12-01), Cefaretti
patent: 6227784 (2001-05-01), Antoine et al.
patent: 6345966 (2002-02-01), Hahn et al.
patent: 2004/0213644 (2004-10-01), Clark et al.
patent: 64-55380 (1989-04-01), None
patent: 7-41160 (1995-07-01), None
Denso Corporation
Nixon & Vanderhye PC
Ramirez Ramon O
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