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US Patent 11338786 Spring brake actuator with diaphragm retainer

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Contents

Is a
Patent
Patent

Patent attributes

Patent Applicant
‌
Haldex Brake Products Limited
Current Assignee
‌
Haldex Brake Products Limited
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
11338786
Date of Patent
May 24, 2022
Patent Application Number
17141252
Date Filed
January 5, 2021
Patent Citations
‌
US Patent 10391997 Spring brake actuator with a caging bolt bearing joining a pressure plate and actuator tube
‌
US Patent 10493972 Pneumatic brake actuator with flow insensitive two way control valve
‌
US Patent 10889280 Spring brake actuator with diaphragm retainer
Patent Primary Examiner
‌
Thomas W Irvin
CPC Code
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B60T 17/08
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B60T 17/083
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B60T 17/085
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B60T 17/088
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F16D 65/28
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F16D 2121/10
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F16D 2125/12
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B60T 13/38
...

A brake actuator assembly including a pressure plate presenting an opening, a push rod that is coupled to the pressure plate, a diaphragm that is coupled to the pressure plate, and a retainer that engages the push rod. The push rod has an outer surface and at least one protrusion extending outward from the outer surface. The retainer engages the protrusion such that at least a portion of the diaphragm is positioned between the pressure plate and the retainer.

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