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This is a record of a document published elsewhere, first published by the United States Patent and Trademark Office, as US-5609377-A, on 11 March 1997. OpenTechnical did not first disclose it. The identifier, hashes and timestamps below record what this library served and when, not when the material became public. View the original.

OT-2026-000003264

Vacuum chuck apparatus

Published
Permanent URL
Classification
Material Handling › Conveying Systems
Inventors
TANAKA HIROHISA
Assignee
FUJI PHOTO FILM CO LTD
Original source
US-5609377-A, the United States Patent and Trademark Office, 11 March 1997
Document SHA-256
25fc3c0a590bfca3e4af50655e0aa97fa71969c8413dee7744feeb08261fd0a4

In a vacuum chuck apparatus for chucking an article, a plurality of movable suction cups are mounted on a support member to be movable up and down relative to the support member between an operative position where each of the movable suction cups can attract the article by suction and a retracted position above the operative position. A plurality of air cylinders move the respective suction cups independently from each other between the operative position and the retracted position. An article size designating circuit outputs a size signal representing the size of the article to be chucked, and a controller controls the air cylinders according to the size signal so that a part of the movable suction cups which are not necessary for chucking the article of the size represented by the size signal are held in the retracted position and the other suction cups are held in the operative position.

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Abstract

In a vacuum chuck apparatus for chucking an article, a plurality of movable suction cups are mounted on a support member to be movable up and down relative to the support member between an operative position where each of the movable suction cups can attract the article by suction and a retracted position above the operative position. A plurality of air cylinders move the respective suction cups independently from each other between the operative position and the retracted position. An article size designating circuit outputs a size signal representing the size of the article to be chucked, and a controller controls the air cylinders according to the size signal so that a part of the movable suction cups which are not necessary for chucking the article of the size represented by the size signal are held in the retracted position and the other suction cups are held in the operative position.

1. Drawings

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Publication information

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Citation

OpenTechnical Publication OT-2026-000003264, “Vacuum chuck apparatus,” published September 15, 2026 at 19:58:34 UTC, https://opentechnical.org/p/OT-2026-000003264.

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This record reproduces a document published elsewhere and is provided for reference and study. Rights in the original remain with its owner. See the publication policy.