Machine element or mechanism – Control lever and linkage systems – Hand operated
Reexamination Certificate
2001-01-09
2002-10-01
Kim, Chong H. (Department: 3682)
Machine element or mechanism
Control lever and linkage systems
Hand operated
C074S489000, C074S526000
Reexamination Certificate
active
06457377
ABSTRACT:
FIELD OF THE INVENTION
This invention relates to a brake structure for an auxiliary moving device, and more particularly to a grip of a brake system by pulling it towards or away the device, the moving device can be stopped and may be held in a stopped position for a while.
BACKGROUND OF THE INVENTION
A conventional brake system of an auxiliary moving device is designed to stop the moving by pulling a grip towards the device, however, the brake system can not hold the moving device which is inconvenient to users.
In view of this, the inventor has invented a new design, which may stop the device by pulling the grip towards either direction and may also hold the device for as long as the users desired.
SUMMARY OF THE INVENTION
It is the primary object of the present invention to provide a brake system for an auxiliary moving device, which is safe in use.
It is another object of the present invention to provide a brake system for an auxiliary moving device, which is easy and convenient to operate.
It is a further object of the present invention to provide a brake system for an auxiliary moving device, which is solid and lasts longer.
REFERENCES:
patent: 735113 (1903-08-01), Kelland et al.
patent: 5279179 (1994-01-01), Yoshigai
patent: 5528954 (1996-06-01), Yoshigai
patent: 5865064 (1999-02-01), Yamashita et al.
patent: 6079290 (2000-06-01), Li
patent: 6202502 (2001-03-01), Chung-Che
patent: 6247379 (2001-06-01), Chen
patent: 6298744 (2001-10-01), Huang
Apex Medical Corp.
Rosenberg , Klein & Lee
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