Vacuum device for handling articles

• US 3,240,525 A
• Filed: 12/13/1963
• Issued: 03/15/1966
• Est. Priority Date: 12/13/1963
• Status: Expired due to Term

• Current Assignee: Howard L. Wood
• Original Assignee: Howard L. Wood
• Inventors: Wood, Howard L.
• Application Number:
  US04/330,364
• Time in Patent Office: 823 Days
• US Class Current: 294/185
• CPC Class Codes: B25B 11/007 portable, e.g. handheld
• CPC Class Codes: B65G 2249/045 Details of suction cups suction cups
• CPC Class Codes: B65G 49/061 Lifting, gripping, or carrying means, for one or more sheets forming independent means of transport, e.g. suction cups, transport frames suction means as load-engaging elements attached to the lifting or lowering gear of cranes B66C1/02; suction cups for attaching purposes F16B47/00; suction cups on gripping heads B25J15/0616; suction cups in general B65G47/91; suction cups combined with cutting means on vertical conveyors C03B33/00 - C03B33/10; devices for turning sheets B65G49/067; suspending devices B65G49/066

Claims

1. A DEVICE FOR HANDLING OBJECTS HAVING A SUBSTANTIALLY SMOOTH SURFACE COMPRISING A VACUUM ATTACHING PAD HAVING AN ATTACHING FACE WITH A PERIPHERAL SEAL MEANS THEREON, A HANDLE ATTACHED TO SAID PAD, AND AN AIR EVACUATING PUMP INCORPORATED INTO SAID HANDLE AND COMMUNICATED WITH THE ATTACHING SURFACE OF THE PAD FOR EXHAUSTING AIR FROM THE ATTACHING SURFACE INWARDLY OF SAID SEAL MEANS, SAID SEAL MEANS INCLUDING A PLURALITY OF PERIPHERAL RIBS ON THE ATTACHING SURFACE, ADJACENT PERIPHERAL RIBS BEING INTERCONNECTED AT CIRCUMFERENTIALLY SPACED POINTS BY A PLURALITY OF RADIALLY DISPOSED RIDGES ADAPTED TO BLOCK OF CERTAIN SECTIONS OF THE PERIPHERAL GROOVE DEFINED BY SAID PERIPHERAL RIBS, SAID ATTACHING SURFACE HAVING A PLURALITY OF COMMUNICATING SHALLOW GROOVES EXTENDING RADIALLY AND CIRCUMFERENTIALLY THEREOF INWARDLY OF THE SEALING RIBS WHEREBY THE COMPLETE SURFACE AREA OF THE ATTACHING SURFACE INWARDLY OF THE SEALING RIBS MAY BE COMMUNICATED WITH THE AIR EVACUATING PUMP, SAID PAD HAVING A RADIAL SLIT DISPOSED IN THE UPSTANDING PERIPHERAL EDGE THEREOF FOR INCREASING THE FLEXIBLE CHARACTER OF THE ATTACHING FACE AND ALSO ENABLING ATMOSPHERIC AIR TO ENGAGE THE INNER EDGE OF THE SLIT FOR HOLDING THE SEALING RIBS SECURELY AGAINST THE ARTICLE BEING CARRIED.