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:
May. 14, 2002
Filed:
Jul. 13, 2000
Richard Sparber, Wheaton, IL (US);
Paul E. Maass, Naperville, IL (US);
DuPage Children's Museum, Naperville, IL (US);
Abstract
A drill ( ) for drilling a material ( ) with a drill bit ( ) which is specially adapted for use by inexperienced users is provided. The drill ( ) includes a rotatable helix screw ( ) having a helix groove ( ). A support block ( ) travels up and down the helix screw ( ) when the helix screw ( ) is rotated via a handle section ( ). A key pin ( ) is mounted in the support block ( ) to ride in the helix groove ( ). Preferably, the center of mass of the support block ( ) is tangential to the helix screw ( ). A short level section ( ) is formed in the bottom of the helix groove ( ) such that the key pin ( ) rests in the level section ( ) when not in use. The drill ( ) may comprise an overhead support mechanism ( ) for rotatably supporting the drill ( ).