Machine element or mechanism – Control lever and linkage systems – Hand operated
Reexamination Certificate
1999-04-27
2001-03-20
Bucci, David A. (Department: 3682)
Machine element or mechanism
Control lever and linkage systems
Hand operated
C074S489000, C074S526000, C074S529000
Reexamination Certificate
active
06202502
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates generally to an auxiliary walker, and more particularly to a brake mechanism for auxiliary walker.
BACKGROUND OF THE INVENTION
As illustrated in
FIG. 1
, the brake control device of a conventional auxiliary walker is from the brake theory of bicycles. Such device is defective in design as described below:
1. The user who needs to use an auxiliary walker is generally a hospital patient or an old person. In order to prevent the walker from sliding the user should hold the brake
10
continually in use if she or he wants to stand up or to slow down the speed. Such holding of the brake continually will cause the user to be unable to bear it for extended periods of time. It is therefore very dangerous if the brake is released from hands.
2. While the brake
10
is held upward, the brake guide line is linked upward also. Therefore, the brake guide line is rubbed against with the fixed seat
11
of front end brake
10
and can be broken by the rubbing action.
SUMMARY OF THE INVENTION
The primary objective of the present invention is therefore to provide a brake mechanism for an auxiliary walker comprising a fixed seat, a control plate, and a hand grip. This arrangement reduces the work required when in use. The present invention is braked by a hand brake and a fixed brake.
The objective, features, functions, and advantages of the present invention will be readily understood upon a thoughtful deliberation of the following detailed description of the present invention with reference to the accompanying drawings.
REFERENCES:
patent: 2555207 (1951-05-01), Trevaskis
patent: 4704044 (1987-11-01), Yoshigai
patent: 5279180 (1994-01-01), Henriksson
patent: 5664460 (1997-09-01), Hewson
patent: 5669268 (1997-09-01), Tsai
patent: 5845539 (1998-12-01), Huang
patent: 5865065 (1999-02-01), Chiu
patent: 5878625 (1999-03-01), Hu
patent: 5954161 (1999-09-01), Lee
patent: 6032765 (2000-03-01), Hsi-Chia
Bucci David A.
Genemax Medical Products Industry Corp.
Harrison & Egbert
Kim Chong H.
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