The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 12, 2020
Filed:
Feb. 25, 2019
Applicant:
J. Schmalz Gmbh, Glatten, DE;
Inventor:
Norman Paul, Schramberg, DE;
Assignee:
J. Schmalz GMBH, Glatten, DE;
Primary Examiner:
Int. Cl.
CPC ...
B66C 1/02 (2006.01); B66C 13/20 (2006.01);
U.S. Cl.
CPC ...
B66C 1/0256 (2013.01); B66C 1/0218 (2013.01); B66C 1/0225 (2013.01); B66C 13/20 (2013.01);
Abstract
The invention relates to an operating device for a tube lifter having a lifting tube that has a tube interior and can be shortened by applying a vacuum to the tube interior, and having a suction grip device arranged on one end of the tube lifter, which suction grip device can be supplied with a vacuum through the tube interior, the operating device having a suction port for fluid communication with the suction grip device, a lifting tube port for fluid communication with the tube interior of the lifting tube, and a valve for controlling the fluid communications.