Expansible chamber devices – Collapsible chamber wall portion – Wall portion formed of flexible material
Reexamination Certificate
2005-05-31
2005-05-31
Look, Edward K. (Department: 3745)
Expansible chamber devices
Collapsible chamber wall portion
Wall portion formed of flexible material
C092S101000
Reexamination Certificate
active
06899015
ABSTRACT:
The present invention relates to a safety device for spring brakes comprising a C-clamp, the opening of which is just fit to accommodate the edges of the two chambers and the diaphragm of an air brake; and a body plate, which is being cast with the C-clamp as one integral body and is welded onto an outer surface of the first chamber of the air brake. The safety device can securely engage the two chambers to prevent the spring, the diaphragm and the second chamber from bursting out of the first chamber, causing damage to properties and/or injuries to anybody in the surrounding area.
REFERENCES:
patent: 2724410 (1955-11-01), Vorech
patent: 3331291 (1967-07-01), Rumsey
patent: 5992297 (1999-11-01), Plantan et al.
Leslie Michael
Look Edward K.
Metro Bearing & Automotive Limited
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