Electricity: measuring and testing – Electrical speed measuring – Including speed-related frequency generator
Patent
1990-11-14
1992-02-18
Strecker, Gerard R.
Electricity: measuring and testing
Electrical speed measuring
Including speed-related frequency generator
324166, G01P 3487
Patent
active
050897756
ABSTRACT:
A sensor magnet mounting device according to the present invention is a device which is attached to a spoke of a rotating wheel and is used for mounting a magnet applying a signal for each revolution of the rotating wheel to a sensor fixed to a frame of a vehicle. This device includes: a magnet housing containing a magnet therein and having a contact surface in contact with the spoke; at least a pair of projecting members constituting a cylindrical portion projecting to hold the spoke with a thread being formed on the inner wall of each of the projecting members; a ring engaging with the projecting members and detachable therefrom; and a set screw engaging with the threads of the projecting members. When the set screw is tightened with the ring being attached, the head of the set screw enables the ring to move toward the magnet housing so that the bottom of the ring presses against the spoke.
REFERENCES:
patent: 3898563 (1975-08-01), Erisman
patent: 4331918 (1982-05-01), Dunch
Mereness, T. S.; Bicycle Tachometer/Speedometer, IBM Technical Disclosure Bulletin, vol. 17, No. 9, Feb. 1975, pp. 2570, 2571.
Cat Eye Co., Ltd.
Strecker Gerard R.
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