Pneumatic brake booster with load reaction carrying members
Patent 4783964 Issued on November 15, 1988. Estimated Expiration Date: 
November 15, 2005. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 15, 2005. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3738232 Mechanically controlled power brake unit Brake booster Brake actuator Patent #: 4487022 InventorsAssigneeApplicationNo. 06/465629 filed on 02/10/1983US Classes:60/547.1, With control of or by a separate power fluid, etc.92/169.1, CYLINDER DETAIL92/169.2, With reinforcing member92/169.3, Extending through working member92/169.4Coaxial sleeve or tubeExaminersPrimary: Garrett, Robert E.Assistant: Kapsalas, George Attorney, Agent or FirmInternational ClassesB60T 13/565 (20060101)B60T 13/52 (20060101) B60T 13/567 (20060101) AbstractA power brake booster has booster load carrying members which are separate from the booster housings walls so that they take the load reaction from the master cylinder outside of the booster housing. This separates the differential pressure chamber wall functions and the booster load carrying member function. | |
