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Article: Illinois Inventor Develops Hammer Drill Attachment
- Article from:
- US Fed News Service, Including US State News
- Article date:
- September 6, 2006
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ALEXANDRIA, Va., Sept. 6 -- Efrem Orozco Jr. of Orland Park, Ill., has developed attachments for power tools having hammer mechanisms and selectively operable in either a rotation mode or rotation-hammer mode.
According to the U.S. Patent & Trademark Office: "Power tools of the type under consideration include hammer drills, for example, which are electric or battery powered and includes two modes of operation: a rotation mode and a rotation-hammer mode. A manually operable selector lever enables the hammer drill to be selectively operated in one of the two modes by disengaging and engaging a hammer mechanism. In rotation-hammer mode, the drive shaft of the hammer drill rotates a tool ...