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:
Oct. 02, 2001
Filed:
Oct. 27, 1999
Wayne Ray, Leesburg, FL (US);
Walter M. Herod, Mt. Dora, FL (US);
Charles E. Webb, Mandeville, LA (US);
Other;
Abstract
An electric-cable-grounding piercer has a piercer blade (,) with a trunk end attached to a double-acting hydraulic piston (,) in a double-acting hydraulic cylinder (,) from which a blade housing (,) is extended from a blade end. An insertion-pressure tube (,) is positional in fluid communication intermediate an insertion-pressure end of the double-acting hydraulic cylinder and a pump-outlet conveyance (,) from a hydraulic pump (,). A withdrawal-pressure tube (,) is positional in fluid communication intermediate a withdrawal-pressure end of the double-acting hydraulic cylinder and the outlet conveyance from the hydraulic pump. The hydraulic pump has a control valve (,) for directing pressurized hydraulic fluid to the insertion-pressure end and to the withdrawal-pressure end of the double-acting hydraulic cylinder selectively. The piercer blade has electrical communication with electric cable (,) being pierced for transmission to a ground-line connector (,) to which a ground line (,) is connectable for releasing residual current from the electric cable in preparation for work on the electric cable. An insertion-depth indicator (,) attached to the piercer blade is visible through an indicator slot,in the blade housing. A cable attachment, such as a chain clamp (,), is positioned on a cable end of the blade housing for rigid attachment to the cable to be pierced.