Mounting framework for contactless testing devices for molded ob

Details Mounting framework for contactless testing devices for molded ob Mounting framework for contactless testing devices for molded ob

1992-10-28

1993-12-14

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

356240, 250561, G01N 904

Patent

active

052705358

ABSTRACT:
A mounting framework for mounting contactless testing devices for testing molded objects, in particular glass objects, at high temperature, comprises a rigid frame structure positioned above a conveyor belt on which glass bottles at high temperature move. The conveyor belt is driven with respect to a conveyor frame with an adjustable inclination in the same vertical plane. The mounting framework is placed astride above the belt. The framework comprises two units defining two parallel reference planes and constituting a nondeformable structure which is not connected to the frame of the conveyor and is supported on the ground by three jacks with controlled displacements. Three light sources emit light rays whose characteristics depend on the inclination of the conveyor belt. The light sources interact with networks of linear photodiodes capable of generating electrical signals for controlling the jacks in order to maintain the aforementioned reference planes of the framework continuously parallel to the plane of the conveyor belt whatever its inclination. A plurality of contactless testing devices may be mounted on the framework.

REFERENCES:
patent: 3245533 (1966-04-01), Rottmann
patent: 3956632 (1976-05-01), Hall et al.
patent: 4239116 (1980-12-01), Eisenberg et al.
patent: 4476533 (1984-10-01), Daudt et al.
patent: 4693376 (1987-09-01), Marion et al.

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