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.

Date of Patent:
Jul. 28, 2015

Filed:

Nov. 04, 2009
Applicants:

Ulf Mikael Eriksson, Valentuna, SE;

Wilhelm Mattias Jacobsson, Trangsund, SE;

Inventors:

Ulf Mikael Eriksson, Valentuna, SE;

Wilhelm Mattias Jacobsson, Trangsund, SE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23Q 5/48 (2006.01);
U.S. Cl.
CPC ...
B23Q 5/48 (2013.01); Y10T 74/19 (2015.01); Y10T 74/1956 (2015.01); Y10T 74/19647 (2015.01); Y10T 408/14 (2015.01); Y10T 408/16 (2015.01); Y10T 408/165 (2015.01); Y10T 408/17 (2015.01); Y10T 408/172 (2015.01); Y10T 408/65 (2015.01); Y10T 408/68 (2015.01); Y10T 408/73 (2015.01);
Abstract

A drilling unit with automatic drill shaft feeding is provided. The feeding velocity can be changed by external mounting of exchangeable gearing cassettes having a desired gear ratio.


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