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. 06, 2004
Filed:
Dec. 04, 2001
George Albert Parrott, Barnsley, GB;
Minnovation Limited, , GB;
Abstract
An elongate water spray nozzle ( ) for use with mining equipment, comprises a cylindrical body member ( ) having a leading end ( ) and a trailing end ( ), with a circumferential groove ( ) provided in the body member ( ) towards the trailing end ( ), the groove ( ) housing firstly an inner, resiliently deformable 'O'-ring ( ), and secondly an outer, split spring steel latching ring ( ), the 'O'-ring ( ) being resiliently operable on the steel ring ( ) to bias the steel ring ( ) concentrically with the longitudinal axis ( ) of the nozzle ( ). The invention also includes a pick box ( ) provided with nozzles ( ). The invention also includes a pick box provided with a nozzle ( ), and a rotary cutting head provided with a plurality of such pick boxes.