MATERIALS HANDLING VEHICLE MAST HEIGHT SENSOR
A knurled wheel is coupled to a sensor mounted to one mast member and the wheel is forced into another mast member so that the wheel/sensor rotate upon mast movement. The sensor generates signals, corresponding to mast movement, which are processed conventionally to determine mast height, etc. The k...
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Main Authors | , |
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Format | Patent |
Language | English French German |
Published |
10.11.2004
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Edition | 7 |
Subjects | |
Online Access | Get full text |
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Summary: | A knurled wheel is coupled to a sensor mounted to one mast member and the wheel is forced into another mast member so that the wheel/sensor rotate upon mast movement. The sensor generates signals, corresponding to mast movement, which are processed conventionally to determine mast height, etc. The knurled wheel forms a track on the contacted mast member and the knurl engages the track. The wheel can be forced into the mast member with a force of six to nine pounds. To enhance the versatility of the mast height sensing device, the thickness of the wheel can be made less than 1/8 inch, for example 1/16 inch. The sensor can be an encoder or a sensor bearing and a heater can be provided for operation in cold environments to ensure rotation of the sensor under such conditions. |
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Bibliography: | Application Number: EP20030707705 |