Material or article handling – Load carried along a horizontal linear path – Having gripper means
Patent
1988-11-22
1992-05-19
Bucci, David A.
Material or article handling
Load carried along a horizontal linear path
Having gripper means
29740, 29759, 269 73, 901 16, B25T 500
Patent
active
051143020
ABSTRACT:
An apparatus for performing an exact in-feed in the X and/or Y direction in the plane of a bond head, e.g. a gripper, to a working station containing a sliding plate, a support element, a first and second drives for performing the in-feeds, a guide mechanism provided with a slide part and a guide part and an integrated measuring device for determining movements of the support element oriented in the X and/or Y direction. The support element is mounted in the horizontal plane with translational and rotational degrees of freedom by a vacuum-pressurizable air bearing on the sliding plate and vertically by a vacuum-pressurizable air bearing on the slide part, the latter additionally being mounted with a vacuum-pressurizable air bearing on the sliding plate and with a counterpressure air bearing between two webs of the guide part.
REFERENCES:
patent: 4229136 (1980-10-01), Panissidi
patent: 4654571 (1987-03-01), Hinds
patent: 4716530 (1987-12-01), Ogawa et al.
patent: 4753311 (1988-06-01), Berger et al.
patent: 4834353 (1989-05-01), Chitayat
Eggenschwiler Hans
Meisser Claudio
Nehls Walter
Bucci David A.
ESEC SA
Underwood Donald W.
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