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:
Jun. 01, 2004
Filed:
Sep. 06, 2002
Hyytiäinen Jouko, Iampere, FI;
Timberjack Oy, Tampere, FI;
Abstract
The present invention relates to a locking system for a rotating joint. In the device, the locking system (L) comprises a rigid locking means ( ) movable in the axial direction (X ), provided with a first cogging ( ) which can be moved for locking with the locking means ( ) in a contact with a second cogging ( ), to transmit the rotational movement, wherein said coggings ( ) are, for releasing the cogging, designed in such a way that a force effect releasing the locking is formed between them, and a third cogging ( ) which is, during the locking, in a contact with a fourth cogging, to transmit the rotational motion, as well as a sealing element ( ) for forming at least one closed hydraulic space ( ) with a varying volume between the locking means ( ) and the sealing element ( ), wherein the locking means ( ) is arranged to be moved for the locking and to be kept in the locking by the effect of a pressurized medium.