Chainguard and bicycle frame

Details Chainguard and bicycle frame Chainguard and bicycle frame

2008-12-24

2011-10-04

Rivera, William A (Department: 3654)

Endless belt power transmission systems or components

Guard or housing for belt or pulley

C082S146000

Reexamination Certificate

active

08029397

ABSTRACT:
A chainguard for use on a bicycle includes a housing having a connecting portion and an engaging portion. The connecting portion and the engaging portion are connected to a seat tube and a rear stay of a bicycle frame in the bicycle. Additionally, the rear stay includes a first portion and a second portion adapted for engaging with an axle of a rear wheel, and the first and second portions are interconnected at a corner. Additionally, the second portion includes a first surface, a second surface and a third surface substantially transverse to and interconnecting the first and second surfaces. Further, the third surface defines a positioning portion on which the engaging portion of the chainguard is mounted.

REFERENCES:
patent: 2492879 (1949-12-01), Mueller
patent: D215682 (1969-10-01), Wolf
patent: 3942646 (1976-03-01), Nelson et al.
patent: 4054063 (1977-10-01), Perrin
patent: RE30547 (1981-03-01), Belden
patent: 7066857 (2006-06-01), DeRosa
patent: 2010/0194182 (2010-08-01), Katz

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