Wheelchair

Details Wheelchair Wheelchair

2007-02-20

2007-02-20

Crow, Stephen R. (Department: 3764)

Exercise devices

Involving user translation or physical simulation thereof

C280S087041, C135S067000

Reexamination Certificate

active

11195711

ABSTRACT:
A wheelchair is disclosed having two adjustment structures for allowing adjustment of the elevation of two handlebars relative to the two parallel vertical main frame bars thereof, each adjustment structure including a holder block fixedly provided at the top of the respective vertical main frame bar to accommodate the respective handlebar, a holding down block movably mounted in the holder block, and a locking lever pivoted to the holder block for moving a locating rod into one of a vertically aligned series of locating holes at the respective handlebar and forcing the holding down block against the respective handlebar.

REFERENCES:
patent: 4907794 (1990-03-01), Rose
patent: D451053 (2001-11-01), Hallgrimsson
patent: 6338355 (2002-01-01), Cheng
patent: 6481730 (2002-11-01), Sung
patent: 6877519 (2005-04-01), Fink
patent: 7001313 (2006-02-01), Crnkovich
patent: 7040637 (2006-05-01), Owens et al.

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