Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent
1989-11-29
1991-10-01
Valenza, Joseph E.
Elevator, industrial lift truck, or stationary lift for vehicle
Stationary lift for roadway vehicle or required component...
Having specific drive means for support
187139, 73493, B66B 1104
Patent
active
050525220
ABSTRACT:
A rotary encoder engages the circumferential periphery of an elevator sheave to monitor the rotational speed of the sheave. The encoder is mounted on an adjustable mounting assembly which biases the rotor against the sheave circumference along a line passing through the axis of rotation of the sheave.
REFERENCES:
patent: 613187 (1898-10-01), Boyd
patent: 2105158 (1938-01-01), Pearce et al.
patent: 4207768 (1980-06-01), Henss
Nakai Keiichiro
Suganuma Manabu
Jones William W.
Noland Kenneth
Otis Elevator Company
Valenza Joseph E.
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