Geometrical instruments – Gauge – Wheel
Patent
1998-04-16
2000-06-27
Bennett, G. Bradley
Geometrical instruments
Gauge
Wheel
33 1PT, G01B 5255, G01B 7315
Patent
active
060791101
ABSTRACT:
A device for detecting the wheel angle of forklift rear wheels is disclosed. A cylinder steers the rear wheels by means of steering mechanisms based on manipulation of a steering wheel. The steering mechanisms include kingpins that support the rear wheels to be rotatable in relation to a rear axle. Each kingpin rotates integrally with the corresponding rear wheel. A wheel angle sensor, which includes a potentiometer, is fixed to the rear axle by a bracket. The position of the sensor corresponds to the position of one of the kingpins. The sensor detects the rotational angle of the kingpin as the wheel angle of the rear wheels.
REFERENCES:
patent: 2077082 (1937-04-01), Wedlake
patent: 3782831 (1974-01-01), Senften
patent: 4530155 (1985-07-01), Burkhardt et al.
patent: 5855072 (1999-01-01), Nakaho
Chino Kenji
Hyodo Masaya
Iwanaga Yoshihisa
Bennett G. Bradley
Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
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