Expansible chamber devices – Collapsible chamber wall portion – Wall portion formed of flexible material
Patent
1996-06-13
1998-06-02
Richter, Sheldon
Expansible chamber devices
Collapsible chamber wall portion
Wall portion formed of flexible material
F16D 6500, F16J 302
Patent
active
057585644
ABSTRACT:
A method and apparatus is disclosed for securely attaching existing central aluminum or steel adaptors for air brake actuators to existing steel service brake housings, existing steel emergency brake housings, or both without major modification to either housing or the adaptor. An annular shoulder with an elongated annular flange above it is provided in the steel brake housing, and the aluminum adaptor is provided with a small outwardly extending annular lip. A flexible diaphragm is first placed directly on the shoulder of the steel brake housing. The aluminum or steel adaptor is then placed on top of the diaphragm such that the annular lip of the adaptor fits inside the annular flange of the housing. A slightly deformable annular steel piece is then placed around the aluminum adaptor so that it comes to rest against the annular lip while also touching the annular steel flange of the housing. One or more breaks may be provided in the annular steel piece to facilitate placing it over the aluminum adaptor. A weld is then applied to connect the annular steel piece to the annular flange, thereby holding the aluminum or steel adaptor and diaphragm securely in place.
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Russell Ralph D.
Smith Teddy D.
Stubblefield Michael D.
Miller Mark D.
Richter Sheldon
TSE Brakes, Inc.
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