Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Reexamination Certificate
2000-05-09
2001-01-30
Wu, Daniel J. (Department: 2736)
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
C340S443000, C340S444000, C340S438000, C340S008100
Reexamination Certificate
active
06181240
ABSTRACT:
BACKGROUND OF THE INVENTION
a) Technical Field of the Invention
The present invention relates to a tire-safety sensing device, and in particular, to a device which can sense the status of the tire pressure of a vehicle during driving so that safety precautions can be taken in case the tire pressure is insufficient.
b) Description of the Prior Art
The tires of a vehicle are used to support the weight of the vehicle and the friction between the tires and the road surface may cause a leakage in air pressure, in particular, when the vehicle is driven at a high speed. The excessive bumping of the tires with the road causes the tire pressure to be insufficient. However, there is no effective device to detect the condition of the tire pressure. If the tires with insufficient pressure are not properly treated or maintained, the tires may be exploded or punctured, and this will endanger the driver. Accordingly, it is a main object of the present invention to provide a tire-safety sensing device which overcome the above drawback.
SUMMARY OF THE INVENTION
Accordingly, it is an object of the present invention to provide a tire-safety sensing device which can sense the tire pressure whether the pressure is at normal condition or insufficient while driving.
Yet another object of the present invention is to provide a tire-safety sensing device, wherein precautionary action can be taken in case the tire pressure is insufficient.
Yet another object of the present invention is to provide a tire-safety sensing device comprising a supporting rod having one end connected to the body of the vehicle beside the tire, a sensing device, mounted at the supporting rod, including a fixing peg to pivotally connect the device to a sensing rod to provide swinging motion, a contacting wheel with a bearing mounted onto the top end of the sensing rod, a spring (torsional spring) being mounted to the fixing peg, the two ends of the spring being mounted to a protrusion within a notch provided at the supporting rod and a protrusion of the sensing rod, the spring urges the sensing rod towards the tire b such that the contacting wheel is in contact with the tire b.
The foregoing objects and summary provide only a brief introduction to the present invention. To fully appreciate these and other objects of the present invention as well as the invention itself, all of which will become apparent to those skilled in the art, the following detailed description of the invention and the claims should be read in conjunction with the accompanying drawings. Throughout the specification and drawings identical reference numerals refer to identical or similar parts. Many other advantages and features of the present invention will become manifest to those versed in the art upon making reference to the detailed description and the accompanying sheets of drawings in which a preferred structural embodiment incorporating the principles of the present invention is shown by way of illustrative example.
REFERENCES:
patent: 5327116 (1994-07-01), Davidson
patent: 5486807 (1996-01-01), Price
patent: 5520045 (1996-05-01), Edri
patent: 5593481 (1997-01-01), Gardner
A & J
Nguyen Tai T.
Wu Daniel J.
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