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, 2000
Filed:
Jan. 30, 1998
Stefan Miescher, Eschen, LI;
Gerhard Binder, Dornbirn, AT;
Hilti Aktiengesellschaft, Schaan, LI;
Abstract
A device for transmitting pulsed axial percussions to a drill (12) and including a housing (2) one end of which is releasably connectable with a housing (3) of a hand-held rotary drill, a rotation transmitting element (7, 9) rotatably supported within the housing (2) and operatively connected with a rotatable spindle (4), which projects from the rotary drill housing (3), for joint rotation therewith, a chuck (11) provided at an end of the device housing (2) opposite to the one end for receiving the drill (12), a reciprocating hammer member (15) movable into an abutting engagement with a trailing end of the drill (12), and a hammer mechanism (17-20; 21-24) arranged within the device housing (2) for imparting pulsed axial percussions to the hammer member (15) and connected with the rotation transmitting element (7, 9) for generating the pulsed axial percussions.