Elevator cab load measuring system

Details Elevator cab load measuring system Elevator cab load measuring system

1979-11-28

1982-05-18

Gruber, Felix D.

Boots, shoes, and leggings

187 29R, B66B 144, G01G 19413

Patent

active

043308368

ABSTRACT:
Transducers are located between the elevator cab and the supporting frame at points which lie along a line that passes through the cab center of deflection. These transducers produce an analog output whose magnitude varies proportionally with the force applied through the transducer to the cab. The outputs of the transducers are summed together and their actual sum corresponding to the empty car condition is subtracted from the sum of the outputs and the remainder is multiplied by the actual ratio between car weight and the sum of the transducer outputs. This yields the cab load.

REFERENCES:
patent: 2713645 (1955-07-01), Lerch
patent: 3536163 (1970-10-01), Jordanidis
patent: 3543883 (1970-12-01), Kuzara
patent: 3916173 (1975-10-01), Williams, Jr. et al.

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