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. 19, 2008
Filed:
Apr. 21, 2005
Applicant:
Angus Peter Robson, Matamata, NZ;
Inventor:
Angus Peter Robson, Matamata, NZ;
Assignee:
Rocktec Limited, Matamata, NZ;
Primary Examiner:
Int. Cl.
CPC ...
E02D 7/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a powered hammer device including: a hammer with at least a first and a second projection; at least one translation dog adapted to engage with said projections, and a drive mechanism capable of moving the translation dog substantially reciprocally between a first and a second opposed directions, characterised in that the translation dog is adapted to engage with the first projection to move the hammer in the first direction, the translation dog then engaging the second projection to move the hammer in the reciprocal second direction.