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:
Nov. 05, 2013
Filed:
Nov. 09, 2009
Wolfgang Krebs, Wetter, DE;
Thomas Bönker, Unna, DE;
Giuliano Persico, Wetter, DE;
Klaus-dieter Oemus, Herner, DE;
Stefan Elspass, Tönisvorst, DE;
Anton Münzebrock, Dortmund, DE;
Udo Gersemsky, Herdecke, DE;
Wolfgang Krebs, Wetter, DE;
Thomas Bönker, Unna, DE;
Giuliano Persico, Wetter, DE;
Klaus-Dieter Oemus, Herner, DE;
Stefan Elspass, Tönisvorst, DE;
Anton Münzebrock, Dortmund, DE;
Udo Gersemsky, Herdecke, DE;
Demag Cranes & Components GmbH, Wetter, DE;
Abstract
An operating device is provided for manually actuating lifting devices. The device includes at least one switching element arranged in a switch housing, wherein the switching element includes a tappet, which protrudes from the switch housing. The tappet is guided in a sleeve and is covered by a covering element having a threaded ring. The sleeve protrudes outside through an opening in the switch housing, and is held in the switch housing through a threaded joint. The covering element is screwed to the sleeve in a detachable manner through the threaded ring of the covering element. Optionally, a tool is provided for installing the covering element.