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. 22, 1988

Filed:

Feb. 26, 1986
Applicant:
Inventors:

Nobuo Ozaki, Osaka, JP;

Mamoru Nakai, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05G / ; G05G / ;
U.S. Cl.
CPC ...
745941 ; 745944 ; 384458 ;
Abstract

A bicycle freewheel assembly comprising a hollow external body relatively rotatable with and radially spaced apart from a hollow internal body, a first dust protective member including a horizontal tubular body and an annular vertical flange and secured to the alternative of the internal body or the external body at one side of the the freewheel assembly, a second dust protective member including a horizontal tubular body and an annular vertical flange and secured to the alternative of the external body or a lock nut mounted on the internal body at the other side of the freewheel assembly, a first narrow clearance formed between the first dust protective member and the alternative of the internal body or the external body at the one side of the freewheel assembly, a second narrow clearance formed between the second dust protective member and the alternative of the external body or the lock nut at the other side of the freewheel assembly, and each of the first and the second clearances being L-shaped or hook-shaped to minimize undesirable intrusion of dust and/or rain into the inside of the freewheel assembly.


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Ozaki, Nobuo. (1988). Dust protective member for bicycle freewheel assembly (U.S. Patent No. 4732051). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4732051

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

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