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.

Date of Patent:
Mar. 02, 1993

Filed:

Jan. 24, 1992
Applicant:
Inventor:

Paul H Lashbrook, Valparaiso, IN (US);

Assignee:

Bimba Manufacturing Company, Monee, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H / ; F16H / ;
U.S. Cl.
CPC ...
74409 ; 74422 ;
Abstract

An antibacklash rack and pinion assembly includes longitudinally movable first and second rack members which have gear teeth thereon which mesh with the gear teeth of the pinion gear. A spring exerts a force in the same longitudinal direction of the movement of the rack members and against one of the rack members so that that rack member moves longitudinally relative to the other rack member and the teeth of that rack member are offset from the teeth of the other rack member. Thereby, opposite sides of at least one tooth of the pinion gear at all times are simultaneously positioned between and held in engagement with at least one tooth on each of the rack members to prevent backlash on movement of the teeth.


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Lashbrook, Paul. (1993). Antibacklash rack assembly (U.S. Patent No. 5189923). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5189923

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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