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:
Feb. 14, 1995
Filed:
Feb. 18, 1993
Sergio Bonacina, Galbiate, IT;
Guiseppe L Cuneo, Calolziocorte, IT;
Black & Decker Inc., Newark, DE (US);
Abstract
A flange lock for securing a disk 8 on the spindle 10 of a power tool is described. It comprises a boss 11 screwable on the spindle and inner and outer flanges 4,1 non-rotatably mounted on said boss 11 so as to be relatively movable thereon between a first, separated relation rigid with said boss and a second, less separated relation. Separation balls 5 are mounted between the flanges 4,1 and disposable between a first condition in which the flanges are maintained in the first, separated relation and a second condition in which the flanges 4,1 are able to move relatively together to the second, less separated condition. An actuator 2 disposes the separation balls 5 between said two conditions in such a manner that by screwing the flange lock on to the power tool spindle 10 to secure a disk 8 thereon by engaging the inner flange 4 against the disk 8 with the flanges 4,1 maintained in the first, separated condition so that the flanges are pressed together through the separation balls 5, disposal of the separation balls to the second condition will serve to relieve the pressure between the flanges whereby unscrewing of the flange lock is facilitated (FIG. 1).