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Conveyor Transfer Device

IP.com Disclosure Number: IPCOM000090848D
Original Publication Date: 1969-Jul-01
Included in the Prior Art Database: 2005-Mar-05
Document File: 3 page(s) / 60K

Publishing Venue

IBM

Related People

Larson, CF: AUTHOR

Abstract

A transfer station for workpieces such as circuit panel baskets 10, or the like, comprises conveyers 11 and 12 located on opposite sides of a drop-lift zone of an overhead conveyer, not shown, and connected by transverse transfer track 13. Conveyers 11 and 12 are conventional roller conveyers oppositely pitched to cause baskets 10 to be gravity fed into and out of the transfer station, as indicated by the arrows. Track 13 comprises parallel horizontal rails 14 and 15 located between and below the surface of the rollers of conveyers 11 and 12. Transfer platform 16, which is H-shaped and has basket stops 34 formed on its upper surfaces, is long enough to extend from one conveyer 11 or 12 into the drop-lift zone. Sets of spaced wheels 17 and 18 carried by platform 16 ride on the upper edges of rails 14 and 15.

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Conveyor Transfer Device

A transfer station for workpieces such as circuit panel baskets 10, or the like, comprises conveyers 11 and 12 located on opposite sides of a drop-lift zone of an overhead conveyer, not shown, and connected by transverse transfer track
13. Conveyers 11 and 12 are conventional roller conveyers oppositely pitched to cause baskets 10 to be gravity fed into and out of the transfer station, as indicated by the arrows. Track 13 comprises parallel horizontal rails 14 and 15 located between and below the surface of the rollers of conveyers 11 and 12. Transfer platform 16, which is H-shaped and has basket stops 34 formed on its upper surfaces, is long enough to extend from one conveyer 11 or 12 into the drop-lift zone. Sets of spaced wheels 17 and 18 carried by platform 16 ride on the upper edges of rails 14 and 15. Camming notches 19, 20, and 21, formed in the upper edges of rails 14 and 15, allow platform 16 to drop below the rollers of conveyers 11 and 12 when platform 16 is in the extreme right and left positions.

Platform 16 is reciprocated from right to left position by long-stroke air cylinder 22, or the like, pivotally mounted beneath conveyer 12 by bracket 23. Air piston rod 24 is pivotally connected via clevis 25 to platform 16. A control for feeding queued baskets 10 singly along conveyer 11 into position above platform 16 comprises escapement 26 pivotally mounted by rod 27 upstream on conveyer
11. Escapement 26 has forward and rear stop flanges 28 and 29, respectively, extendable upwardly between the rollers of conveyer 11 to engage baskets 10 and to hold them in position on conveyer 11 for selective release onto platform
16. The mechanism for oscillating escapement 26 comprises rod 30 connecting escapement 26 to link crank 31 pivotally supported on bracket 32 attached to conveyer 11. Escapement 26 is operated by trigger plate 33 attached to rod 24 of cylinder 22 in such a way that it strikes the forward end of crank 31 when platform 16 is in retracted position causing it to pull on rod 29 to drop flange 28 and raise flange 29 of escapement 26.

The device is in home position when cylinder 22 is completely retracted and platform 16 is in the right position against stops 34 on conveyer 11. In this position, rollers 17 and 18 are at the bottom of notches 19 and 20 lowering platform 16 between the conveyer rollers and beneath the slide line of the baskets 10. In the home position, plate 33 has imparted rotar...