Bale opener having dual sensors connected to a surface inclinati

Details Bale opener having dual sensors connected to a surface inclinati Bale opener having dual sensors connected to a surface inclinati

1992-03-27

1993-02-23

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250223R, 356376, 19 80R, G01V 904

Patent

active

051893088

ABSTRACT:
A bale opener includes a tower arranged for horizontal travel in a travelling direction along a stationarily supported fiber bale series; a detaching assembly mounted on the tower and projecting laterally therefrom to extend above an upper surface of the bale series; an opening device forming part of the detaching assembly for removing fiber tufts from the upper surface in an oblique plane during travel of the bale opener tower; at least two surface level sensors mounted on the detaching assembly for determining a height level of the upper suface at different locations during the horizontal travel of the bale opener; a path sensor for determining coordinates of the different locations; and a control device for determining the inclination of the upper surface from the height levels of the upper surface at the different locations. The surface level sensors and the path sensor are connected to the control device.

REFERENCES:
patent: 4785504 (1988-11-01), Leifeld et al.
patent: 5090091 (1992-02-01), Temburg et al.

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