Land vehicles – Wheeled – Coasters
Reexamination Certificate
2001-04-20
2002-11-19
Johnson, Brian L. (Department: 3618)
Land vehicles
Wheeled
Coasters
C297S344120, C482S068000
Reexamination Certificate
active
06481730
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates generally to a supportive device used by lame people as an aid in walking, and more particularly to a walker frame.
2. Description of Related Art
As shown in
FIG. 1
, a walker frame of the prior art comprises a first frame
10
and a second frame
11
, which are joined together by two seat rods
101
and
111
. A seat
12
is fixedly mounted on the seat rods
101
and
111
such that the seat
12
cannot be adjusted in height in accordance with the height of a user of the prior art.
BRIEF SUMMARY OF THE INVENTION
The primary objective of the present invention is to provide a walker frame with a seat which is adjustable in height.
In keeping with the principle of the present invention, the foregoing objective of the present invention is attained by a walker frame comprising two first support rods, two second support rods, two seat rods, and a seat mounted on the two seat rods. The two seat rods are provided with two locating seats. The first support rods and the second support rods are provided with a plurality of locating holes. The seat is adjusted in height by the locating seats of the seat rods, which are located in the locating holes of the first support rods and the second support rods.
The features, functions, and advantages of the present invention will be more readily understood upon a thoughtful deliberation of the following detailed description of a preferred embodiment of the present invention in reference to the accompanying drawings.
REFERENCES:
patent: 2369040 (1945-02-01), Grady
patent: 4165127 (1979-08-01), Vago
patent: 4700730 (1987-10-01), Samuelson et al.
patent: 5188139 (1993-02-01), Garelick
patent: 5816593 (1998-10-01), Che
patent: 6036148 (2000-03-01), Shank
patent: 6082384 (2000-07-01), Cheng
patent: 6311708 (2001-11-01), Howle
patent: 6338355 (2002-01-01), Cheng
Genemax Medical Products Industry Corp.
Harrison & Egbert
Johnson Brian L.
Klebe Gerald
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