The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 16, 1985
Filed:
Apr. 11, 1984
John E Steer, South Bend, IN (US);
Allied Corporation, Morristown, NJ (US);
Abstract
A fast-fill master cylinder (14) includes a housing (26) defining a bore (38) therein having a portion (y) thereof of substantially constant diameter. A primary piston (54) is movably received in the bore portion (y) and a secondary piston (56) is movably received in the remainder of the bore (38). The secondary piston (56) cooperates with the housing (26) to define a secondary variable-volume chamber (62). The primary piston (54) cooperates with the housing (26) and with the secondary piston (56) to define aprimary variable-volume chamber (58). The primary piston also cooperates with the housing to define a constant-volume recess (84) circumscribing the piston (54). An annular partition member (94) circumscribes the piston member (54) within the recess (84) to divide the recess (84) into a pair of variable-volume compartments (108, 110). A bore 120 communicates the one compartment (110) with the primary chamber (58). When the piston members (54 and 56) are moved to contract the chambers (58 and 62), the one compartment (110) is also contracted to communicate pressurized liquid to the primary chamber (58) via the bore (120).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile