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:
Apr. 05, 1994
Filed:
Sep. 03, 1991
Edward S Fort, Clitheroe, GB;
Alan G Smithson, Wetheral, GB;
Abstract
A handle assembly for operating a valve of the type having a valve body and a pivotally mounted actuating spindle extending from the valve body has a mounting means to secure the assembly to the spindle, a handle portion connected to the mounting means and a pivotally mounted locking member. The locking member is pivotable, either by camming surfaces on the handle portion and the locking member or by a key, between a first, locked position in which it engages with a portion of the valve body, and a second, unlocked position in which it is free from the valve body and enables the valve spindle to be rotated by the handle portion. The locking member is provided with a number of apertures which can be aligned with corresponding apertures in the mounting means and the handle portion when the locking member is in its locked position. The apertures are shaped to receive tamper-sensitive tape or wire or the shackle of a padlock, to indicate or prevent unauthorized use of the valve.