Apparatus for gripping a flat substrate

Details Apparatus for gripping a flat substrate Apparatus for gripping a flat substrate

1996-08-01

1997-09-23

Kramer, Dean

Handling: hand and hoist-line implements

Hook, hoistline, or grab type

Locking device

294 97, 335276, 901 36, B25J 1510

Patent

active

056696523

ABSTRACT:
Several finger-like grippers (4) are held and guided in openings or holes (21) in the head part (6) of a housing (20) so they can pivot about axes which are in a common plane transverse to the longitudinal axis (L) of the housing (20). Permanent magnets (11, 12) fixed to the inner ends of the grippers (4) cooperate with an electromagnet (13) provided in the housing (20) above the magnets (11, 12), the magnetic field axis of the electromagnet coinciding with the longitudinal axis (L) of the housing (20). The electromagnet moves the inner ends of the grippers (11, 12) back and forth between two stops (16, 17) depending on the polarity of the electromagnet (13).

REFERENCES:
patent: 3253853 (1966-05-01), Loyer et al.
Abele, "Industrieroboter in der Montage" Technische Rundschau 26/85, S. 26, 28-31, 33, no date.

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