Material or article handling – Article manipulator moves analogous with human hand – finger,... – Electric or fluid motor drive for manipulator
Patent
1979-08-20
1981-10-20
Knowles, Allen N.
Material or article handling
Article manipulator moves analogous with human hand, finger,...
Electric or fluid motor drive for manipulator
414705, 414718, 414699, B60P 300, B65G 6100
Patent
active
042957710
ABSTRACT:
A portable load handling apparatus includes a vehicle having a frame, and an elongated boom arm connected to the frame for pivotal movement about at least a first horizontal axis. The boom arm may pivot about a first vertical axis and be extendable and retractable as well. A load support member is connected to the boom arm by a wrist mechanism for pivotal movement about at least first and second generally perpendicular axes and may be pivotal about a third axis perpendicular to the first and second axes. A primary power source is actuatable to pivot the boom arm about the first horizontal and vertical axes and to extend and retract the boom arm and a secondary power means is actuatable to pivotally move the support member about the first, second and third axes. A control mechanism includes a control arm connected to the frame for pivotal movement about at least a second horizontal axis, with the control arm preferably pivotal about a second vertical axis and extendable and retractable as well. A control handle is connected to the control arm for pivotal movement about at least fourth and fifth perpendicular axes and preferably about a sixth axis as well. The control mechanism further includes apparatus for actuating the primary and secondary power sources such that the boom arm and wrist supported load support member follow or duplicate movements of the control arm and handle respectively.
REFERENCES:
patent: 3087636 (1963-04-01), Weaver
patent: 3721357 (1973-03-01), Williamson
patent: 4042131 (1977-08-01), Buttke
Banner Industries, Inc.
Knowles Allen N.
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