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.

Date of Patent:
Jun. 13, 2000

Filed:

Aug. 14, 1997
Applicant:
Inventors:

Gino Ferrari, Correggio, IT;

Franco Maioli, Correggio, IT;

Assignee:

FEMAS S.R.L., Corregglio, IT;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16B / ;
U.S. Cl.
CPC ...
403 31 ; 403 37 ; 73487 ; 73459 ;
Abstract

A device for automatically locking a wheel onto a front end of a balancing machine shaft includes a hollow profiled body provided with a frontal member on which the rim of the wheel to be balanced bears. The profiled body acts as a housing for a slider positioned coaxial to the shaft and extends beyond the bearing member where it presents a threaded portion arranged to receive a ring nut for locking said wheel rim. The housing is intended to be connected to a pressurized fluid source in such a manner that the slider is able to slide between a withdrawn locking position in which the ring nut urges the wheel rim against the bearing member, and an advanced release position in which the ring nut is disengaged from the wheel rim.


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