Measuring and testing – Dynamometers
Reexamination Certificate
2005-05-31
2008-08-19
Lefkowitz, Edward (Department: 2855)
Measuring and testing
Dynamometers
C056S01020D, C056S01020E, C180S401000, C200S061210, C192S12500A
Reexamination Certificate
active
07412905
ABSTRACT:
A rotary paddle sensor for detecting a substance. A paddle or paddles are mounted on a rotating shaft coupled to a motion of the shaft by a slip clutch mechanism. The sensor detects movement of the paddle. If a substance impedes the movement of the paddle, the sensor detects this occurrence. The sensor can be used for many different applications, such as to detect the level of material in a bin, to determine the distance to a wall, to determine the height from the ground, to detect the boundary between two surfaces such as mowed or unmowed vegetation, or to detect the vegetation in a row.
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Lefkowitz Edward
Patel Punam
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