Trim bar gap verification tool and method using a flexible capac

Details Trim bar gap verification tool and method using a flexible capac Trim bar gap verification tool and method using a flexible capac

1991-08-22

1992-10-13

Strecker, Gerard R.

Electricity: measuring and testing

Impedance, admittance or other quantities representative of...

Lumped type parameters

324661, 324690, 355208, G01R 2726, G01B 714

Patent

active

051554445

ABSTRACT:
A method for measuring the gap between a roller and an adjacent member in an electrophotographic printing machine is disclosed wherein a flexible sensor is provided and passed into the developer sump area in the printing machine. The flexible sensor is passed between the roller and adjacent member for measuring the distance therebetween. The flexible sensor is comprised of a capacitance sensor and a metal laminate. As the sensor is passed between the roller and adjacent member, the sensor is magnetically attracted to the roller and conforms to the circumference of the roller. The adjacent member can be a trim bar within the developer sump.

REFERENCES:
patent: 3030578 (1962-04-01), Lessman
patent: 3048775 (1962-08-01), Calvert
patent: 3662576 (1972-05-01), Girlatschek
patent: 4063167 (1977-12-01), Duly
patent: 4311959 (1982-01-01), Riessland et al.
patent: 4823071 (1989-04-01), Ding et al.
patent: 4935700 (1990-06-01), Garbini et al.

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