Material or article handling – Device for emptying portable receptacle – With jarring means
Patent
1995-12-27
1997-04-15
Werner, Frank E.
Material or article handling
Device for emptying portable receptacle
With jarring means
414225, 414404, 414416, B65G 6530
Patent
active
056202954
ABSTRACT:
A transfer apparatus for transferring a plurality of substrates between carriers holding these equidistantly arranged substrates thereon and a support member, comprising a carrier table for arranging a plurality of the carriers arranged in a serial array so as to hold the substrates mutually parallel to each other, a plurality of push-up members, each of the push-up members being adapted to be moved below each of the carriers for pushing up the substrates supported on the carriers through a lower opening portion of each of the carriers, each of the push-up members having an upper surface with a plurality of equidistantly spaced grooves for receiving and lifting all of the substrates supported in one carrier as a whole, devices for bringing at least one of the plurality of push-up members into proximity to a corresponding remaining push-up member to allow the at least one push-up member to face the corresponding push-up member so that their mutually adjacent, directly-facing endmost substrates held in an endmost grooves of the mutually adjacent, directly-facing push-up members have their mutual distance adjusted to a distance equal to a pitch distance of those wafers supported by the push-up member, wherein all the substrates lifted by the plurality of the push-up members and mutually equidistantly arranged are transferred at a time from the push-up members to the support member.
REFERENCES:
patent: 4806057 (1989-02-01), Cay et al.
patent: 5007788 (1991-04-01), Asano et al.
patent: 5125784 (1992-06-01), Asano
Tokyo Electron Kyushu Limited
Tokyo Electron Limited
Werner Frank E.
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