Fluid handling – Systems – Plural tanks or compartments connected for serial flow
Reexamination Certificate
2000-09-28
2001-11-27
Chambers, A. Michael (Department: 3753)
Fluid handling
Systems
Plural tanks or compartments connected for serial flow
C138S030000
Reexamination Certificate
active
06321784
ABSTRACT:
BACKGROUND OF THE INVENTION
This invention relates to an oil-storing device for a bike saucer-brake, particularly to one possible to keep oil supply stable, and prevent the brake from snap locking.
A conventional oil storing device for a bike saucer-brake includes an oil storing chamber with an open top, assembled together with a handle, and having a cover fixed on its top surface to form a closed hollow chamber. And then an oil delivery pipe is with one side of the oil-storing chamber.
In accordance with the conventional oil-storing device mentioned above, it consists of only one oil-storing chamber with a small capacity, and if the handle body is slantingly disposed on a bike body, the oil-storing chamber is also slant. So brake oil may merely stay in one side portion of the oil storing chamber, and subsequently the sucking hole may suck air instead of brake oil, then, the brake may fail to function.
In addition, in high temperature brake oil may inflate to flow back, but due to the small capacity of the oil storing chamber, the space in the chamber is not sufficient for flowing-back oil to stay in, resulting in snap locking of the brake, and safety in riding a bike is not secured.
SUMMARY OF THE INVENTION
The objective of the present invention is to offer an oil-storing device for a bike saucer-brake, possible to store more oil, to stabilize oil supply, and to prevent a brake from snap locking.
One feather of the invention is two oil storing chambers formed in an upper and a lower portion of a grip, and separated by a plate, and the plate has a hole bored therethrough to enable brake oil in the two oil storing chambers to flow from one of the chambers to the other chamber.
Another feature of the invention is an oil delivery pipe inserted into an outlet tubular portion of the grip and extending to on the plate and connected with either of the oil storing chambers through a sucking hole. The device can not only store more oil in the oil-storing chamber, but also suck back brake oil when temperature is high enough to let brake oil inflate. Hence, snap locking of the brake can be avoided owing to normal oil supply, and safety of a rider can be secured in riding.
REFERENCES:
patent: 4610369 (1986-09-01), Mercier
patent: 4732176 (1988-03-01), Sagimura
patent: 5443139 (1995-08-01), Scott
patent: 5709248 (1998-01-01), Goloff
Chambers A. Michael
Dougherty & Troxell
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