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:
Jul. 18, 1989
Filed:
Aug. 17, 1988
Joseph V Graber, Boca Raton, FL (US);
Ervin L Severson, Oregon, WI (US);
Graber Products, Inc., Madison, WI (US);
Abstract
A lockable rotary attachment device including an axially threaded attachment member having an externally splined drive head and a flange defining oppositely facing annular shoulders, and a knob mounted for axial translation on the attachment member between first and second axial positions on the attachment member. The knob is freely rotatable relative to the attachment member in the first axial position and has an internally splined socket for non-rotatably receiving the drive head when in the second axial position. A lock is mounted on the knob for moving a latch member between a first latch position in which it is disposed outwardly of the flange on the attachment member to allow axial translation of the knob between the first and second axial positions, and a second latch position disposed radially inwardly of the flange for engagement with the first shoulder when the knob is in its first axial position and for engagement with the second shoulder when the knob is in its second axial position.