Robotic height sensor in laterally compliant probe

Details Robotic height sensor in laterally compliant probe Robotic height sensor in laterally compliant probe

1982-08-16

1984-11-27

Valenza, Joseph E.

Material or article handling

Vertically swinging load support

Grab

414 5, 250561, 901 33, 901 45, 356373, B25J 700, B25J 1900

Patent

active

044848544

ABSTRACT:
A robotic height sensor employs the defocussing of a spot of light to detect the motion of a probe contacting a reference object. The defocussing changes the electrical output of a photodetector which output is used to control a height drive mechanism. In a preferred embodiment of the invention, an intentional weakened portion of a shaft is provided for permitting limited lateral freedom of the shaft to accommodate minor irregularities in a workpiece.

REFERENCES:
patent: 3007097 (1961-10-01), Shelley et al.
patent: 3847485 (1974-11-01), Zanoni
patent: 3867037 (1975-02-01), Litke
patent: 3888362 (1975-06-01), Fletcher et al.
patent: 3986007 (1976-10-01), Ruoff, Jr.
patent: 4001556 (1977-01-01), Folchi et al.
patent: 4028935 (1977-06-01), Philbert et al.
patent: 4049644 (1977-09-01), Wennerstrom

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