Device for setting a direction

Details Device for setting a direction Device for setting a direction

2007-07-10

2007-07-10

Ridley, Richard (Department: 3682)

Endless belt power transmission systems or components

Means for adjusting belt tension or for shifting belt,...

Guide roll mounted for movement of its axis along arcuate...

C474S135000

Reexamination Certificate

active

10505890

ABSTRACT:
A direction setting device has a frame and a rotatably mounted shaft which supports a first belt pulley whose rotational position defines a direction to be set. A rotary motor on the frame supports a second belt pulley, and an endless belt extends around the first and second pulleys. A deflecting device deflects a second part of the belt while the motor is stationary at a set position of rotation, so as to change the effective length of the second part of the belt. A resilient tensioning device changes the length of the a first part of the belt to compensate for the change in length of the second part of the belt. This enables the first pulley to be turned through an angle that is dependent on the deflection of the second part of the belt by the deflecting device.

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