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Escapement Shuttle Feed for Generally Flat Elements

IP.com Disclosure Number: IPCOM000062650D
Original Publication Date: 1986-Dec-01
Included in the Prior Art Database: 2005-Mar-09
Document File: 1 page(s) / 11K

Publishing Venue

IBM

Related People

Hickson, A: AUTHOR [+2]

Abstract

The feeding of generally flat elements such as clip fasteners, speed nuts, washers, etc., is complicated by shingling (overlap) of the elements, and, in systems employing manipulator arms, the difficulties inherent in locating and picking up such flat, low profile objects. In order to ensure consistency in the feeding of such elements, it is initially appropriate to provide these elements with a low, peripheral rim which precludes shingling and affords a more readily grippable shape. The elements are fed via a vibratory bowl to an inclined chute at the lower end of which is provided an escapement member operating in timed relationship with a transversely moveable shuttle powered by an intermittently operable actuator means such as a pneumatic drive mechanism.

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Escapement Shuttle Feed for Generally Flat Elements

The feeding of generally flat elements such as clip fasteners, speed nuts, washers, etc., is complicated by shingling (overlap) of the elements, and, in systems employing manipulator arms, the difficulties inherent in locating and picking up such flat, low profile objects. In order to ensure consistency in the feeding of such elements, it is initially appropriate to provide these elements with a low, peripheral rim which precludes shingling and affords a more readily grippable shape. The elements are fed via a vibratory bowl to an inclined chute at the lower end of which is provided an escapement member operating in timed relationship with a transversely moveable shuttle powered by an intermittently operable actuator means such as a pneumatic drive mechanism. The shuttle, in a pick-up position relative to the chute, picks up a single element, the remaining elements being restrained by the escapement member, and the shuttle then moves to a delivery point where the element is gripped by a manipulator arm. Sensors are employed to indicate the presence of parts at significant locations.

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