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Robotic Fingers for Connector Insertion

IP.com Disclosure Number: IPCOM000038501D
Original Publication Date: 1987-Jan-01
Included in the Prior Art Database: 2005-Jan-31
Document File: 2 page(s) / 56K

Publishing Venue

IBM

Related People

Johnson, WC: AUTHOR

Abstract

Fig. 1 illustrates a device having a set of robot fingers to be used for multi-size connector insertion. Fig. 1 shows the bottom view of the robot fingers and all the action which happens. Fig. 2 shows the top view of the fingers ready to grip a typical connector. The fingers 1 are basically bodies with attachments. A cutout is provided in each finger. This cutout starts at the chamfer A and continues through C and to the slide 2. Clearance is also provided for the cable wires. The basic operation is as follows: As the finger bodies 1 are closed on a connector 12, the connector hits the chamfered surfaces A on the bodies and B on the slide. As the connector 12 enters the cutout, the slide 2 is pressed to the rear (compliance direction). The slide 2 is guided by guide rod 3 and the groves in the bodies.

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Robotic Fingers for Connector Insertion

Fig. 1 illustrates a device having a set of robot fingers to be used for multi-size connector insertion. Fig. 1 shows the bottom view of the robot fingers and all the action which happens. Fig. 2 shows the top view of the fingers ready to grip a typical connector. The fingers 1 are basically bodies with attachments. A cutout is provided in each finger. This cutout starts at the chamfer A and continues through C and to the slide 2. Clearance is also provided for the cable wires. The basic operation is as follows: As the finger bodies 1 are closed on a connector 12, the connector hits the chamfered surfaces A on the bodies and B on the slide. As the connector 12 enters the cutout, the slide 2 is pressed to the rear (compliance direction). The slide 2 is guided by guide rod 3 and the groves in the bodies. As the slide retracts, the guide rod 3 retracts into a hole in the body, com

(Image Omitted)

pressing the spring. Each spring provides a constant pressure on the connector 12 to prevent cocking. As the fingers are continually closed, the stingers 5 displace small amounts of material, allowing the connector 12 to be removed from its nesting area and retained. The surfaces C provide all the gripping force. The stingers 5 prevent the connector from slipping. By making the stinger 5 threaded, the amount of material displacement can be adjusted. The slides locate in the required position according to the physical size of the conne...