US PATENT SUBCLASS 414 / 793
.~.~.~ Includes suction-type article gripping means

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


414 /   HD   MATERIAL OR ARTICLE HANDLING

788  DF  APPARATUS FOR MOVING INTERSUPPORTING ARTICLES INTO, WITHIN, OR FROM FREESTANDING, ORDERLY LAYERED, OR MUTUALLY STABILIZING ORDERLY GROUP {4}
788.1  DF  .~ Stack forming apparatus {17}
792.7  DF  .~.~ Positions lowest article of stack first {8}
793.~.~.~ Includes suction-type article gripping means {1}
793.1  DF  .~.~.~.~> And endless belt for transporting

DEFINITION

Classification: 414/793

Includes suction-type article gripping means:

(under subclass 792.7) Apparatus including means for exerting a holding force on an article to be stacked, wherein the force (a) is at least partially derived by reducing the air pressure over a surface of the article below the ambient pressure on the other surfaces of the article and (b) prevents, or tends to prevent, the article from shifting relative to the portion of the apparatus contacting the article while it is moved to the stacking site.

SEE OR SEARCH THIS CLASS, SUBCLASS:

627, for a suction gripper mounted on an elevator or hoist.

737, for a suction or magnetic gripper mounted on a vertically swinging load support.

744.1, for a suction gripper mounted on a horizontally swinging load support.

752, for a suction gripper means mounted for horizontal linear movement.

SEE OR SEARCH CLASS

294, Handling: Hand and Hoist-Line Implements, 64.1+, for implements adapted to employ the use of a vacuum.

901, Robots,

40, for an end effector utilizing a vacuum.