Motor vehicle odometer system专利检索-里程计测量仪器和方法专利检索查询-专利查询网

Motor vehicle odometer system

阅读：435发布：2023-07-14

专利汇可以提供Motor vehicle odometer system专利检索，专利查询，专利分析的服务。并且An auxiliary odometer driven electrically from a total odometer is manually set to show a distance between scheduled vehicle inspection and maintenance services. A cam wheel is adjustably attached to the last digit figure wheel such that when this figure wheel is turned to indicate the last or most significant digit of the distance, the attached cam wheel closes a switch in a circuit to generate a positive visual or sound alarm. The auxiliary odometer is then reset to zero to begin counting the distance driven.，下面是Motor vehicle odometer system专利的具体信息内容。

权利要求

1. A motor vehicle odometer system including a total odometer and an auxiliary odometer for producing a positive alarm signal to call the vehicle driver''s attention to the vehicle having been driven a selected distance at which the vehicle is due for regularly scheduled inspection and maintenance services, said total odometer comprising first electrical means to produce signals at intervals corresponding to unit distances driven; said auxiliary odometer comprising a plurality of figure wheels, a cam wheel adjustably attachable to the last figure wheel of said plurality of figure wheels, advancing means to advance said plurality of figure wheels in response to said signals, second electrical means to generate said positive alarm signal, said selected distance being preset on said auxiliary odometer which is thereafter reset, said cam wheel being attached at presetting on said last figure wheel such that when said last figure wheel is turned by said advancing means to the position representing the most significant digit of said selected distance said cam wheel turning therewith closes the circuit of said second electrical means to generate said alarm signal.

2. A system as claimed in claim 1, wherein said first electrical means comprises a pressure switch, a cam projection on a dummy wheel of said total odometer and rotating therewith to close said pressure switch once per revolution closing a circuit to produce said signals at intervals corresponding to unit distances driven.

3. A system as claimed in claim 2, wherein said advancing means includes an electro-mechanic mechanism comprising a solenoid the coil of which is responsive to said signals, a rocking yoke rockable by protrusions of the solenoid core resulting from responses of the coil, and an escapement gear responsive to rockings of said rocking yoke to cause said figure wheels to advance.

4. A system as claimed in claim 2, wherein said second electrical means comprIses a pressure switch which is closed when a cam portion of said cam wheel applies pressure thereon, a lamp in said circuit of said second electrical means, said lamp being lighted to serve as said alarm signal when said pressure switch is closed.

5. A system as claimed in claim 1, further comprising two additional auxiliary odometers.

6. A system as claimed in claim 1, wherein said first and second electrical means are connected to a source of power through an ignition key.

7. A system as claimed in claim 1, further including resetting means for resetting said auxiliary odometer and comprising a pinion gear operatively disposed between each two adjacent figure wheels, a lever, a reset cam abutting on an extension of said lever, another extension of said lever arranged to support said pinion gear, a reset knob on said lever, and pushing said reset knob releases the pinion gear from its operative position and causes said reset cam to reset said auxiliary odometer.

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Motor vehicle odometer system

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