Rotary sensor

Details Rotary sensor Rotary sensor

2005-04-26

2005-04-26

Lefkowitz, Edward (Department: 2855)

Measuring and testing

Dynamometers

Responsive to torque

C073S118040

Reexamination Certificate

active

06883391

ABSTRACT:
In a rotary sensor according to the present invention, when a casing expands or contracts by changes in the external environment, relative sliding operation is performed between a rotator and a first elastic member in an axial direction of a drive shaft, so that a gap between the rotator and an insulating substrate need not change during expansion or contraction of the casing due to the external environment and/or during the movement of the drive shaft in the axial direction. Hence, the position of a sliding contact contacting a resistor pattern does not change so as to have excellent performances while when the drive shaft rapidly rotates, the first elastic member cannot be twisted, preventing the rotator from delaying the rotational transmission so as to have the excellent followingness of the rotator to the drive shaft.

REFERENCES:
patent: 5088319 (1992-02-01), Hirose et al.
patent: 5460035 (1995-10-01), Pfaffenberger
patent: 6029510 (2000-02-01), Nakaie et al.
patent: 6386020 (2002-05-01), Okumura
patent: 6474146 (2002-11-01), Okumura
patent: 6637260 (2003-10-01), Hosogoe
patent: 2002-39789 (2002-02-01), None

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