Pneumatic booster

Details Pneumatic booster Pneumatic booster

2006-08-29

2006-08-29

Lazo, Thomas E. (Department: 3745)

Expansible chamber devices

Cylinder detail

With reinforcing member

Reexamination Certificate

active

07096775

ABSTRACT:
In a pneumatic booster, a front shell and a rear shell are connected by means of a rod. A stud bolt on one end of the rod extends through the front shell to the outside, and a support plate fitted around the stud bolt is engaged with the rod and abutted against an inner surface of the front shell. A seal member is provided in an annular groove formed in the support plate. A projection is formed in the support plate. When the support plate is reversely mounted on the stud bolt, the projection is abutted against the front shell, and the seal member is unable to provide a seal between the stud bolt and the front shell. In a leak inspection, air is flowed into a constant-pressure chamber through a cut portion formed in a distal end of the projection, to thereby detect reverse mounting of the support plate.

REFERENCES:
patent: 6050174 (2000-04-01), Schonlau et al.
patent: 6189437 (2001-02-01), Morlan
patent: 6651548 (2003-11-01), Faller
patent: 6772674 (2004-08-01), Kasselman et al.
patent: 6883415 (2005-04-01), Kawasumi et al.
patent: 56-163947 (1981-12-01), None

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