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Class Information
Number: 173/216
Name: Tool driving or impacting > Means to drive tool about an axis > Gear drive
Description: Apparatus wherein the drive means consists of toothed interengaging mechanical elements.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7398834 |
Hammer drill with selective lock-on |
Jul. 15, 2008 |
| 7395876 |
Drill driver |
Jul. 8, 2008 |
| 7380613 |
Electric power tool |
Jun. 3, 2008 |
| 7377331 |
Damping driving axle |
May. 27, 2008 |
| 7357195 |
Power tool and gear unit assembled therein |
Apr. 15, 2008 |
| 7351012 |
Rotational drive apparatus for screw pilings |
Apr. 1, 2008 |
| 7334646 |
Electric power tool with improved speed change gearing |
Feb. 26, 2008 |
| 7334647 |
Rotary tool |
Feb. 26, 2008 |
| 7314097 |
Hammer drill with a mode changeover mechanism |
Jan. 1, 2008 |
| 7308948 |
Electric power tool |
Dec. 18, 2007 |
| 7306052 |
Multi-position utility hook assembly for tool |
Dec. 11, 2007 |
| 7306051 |
Gear transmission device for power tool |
Dec. 11, 2007 |
| 7306050 |
Toothed ring connecting structure of a power tool |
Dec. 11, 2007 |
| 7290964 |
Drilling/tapping/unscrewing apparatus |
Nov. 6, 2007 |
| 7287600 |
Hammer drill with wobble mechanism and hollow drive shaft |
Oct. 30, 2007 |
| 7284622 |
Tool holder for hammer |
Oct. 23, 2007 |
| 7270194 |
Drilling machine with pneumatic control |
Sep. 18, 2007 |
| 7225884 |
Hand power tool, in particular drilling screwdriver |
Jun. 5, 2007 |
| 7223195 |
Multispeed power tool transmission |
May. 29, 2007 |
| 7220211 |
Multispeed power tool transmission |
May. 22, 2007 |
| 7201235 |
Driver drill |
Apr. 10, 2007 |
| 7191677 |
Adjustable angle drive for a rotary power tool |
Mar. 20, 2007 |
| 7191847 |
Drive for a motor-driven hand-held tool |
Mar. 20, 2007 |
| 7185713 |
Air-driven screwdriver performs hole drilling, thread tapping and bolt tightening |
Mar. 6, 2007 |
| 7168503 |
Power hand tool |
Jan. 30, 2007 |
| 7159671 |
Power tool with reverse gearing operated by external maneuver ring |
Jan. 9, 2007 |
| 7156191 |
Motor and gearbox combination |
Jan. 2, 2007 |
| 7156187 |
Electric hand screwdriver with adjustable head |
Jan. 2, 2007 |
| 7143842 |
Power tool |
Dec. 5, 2006 |
| 7140450 |
Percussion tool |
Nov. 28, 2006 |
| 7134509 |
Portable power tool with rotating output shaft and overload protection |
Nov. 14, 2006 |
| 7134364 |
Battery-driven screwdriver |
Nov. 14, 2006 |
| 7131503 |
Impact driver having a percussion application mechanism which operation mode can be selectively switched between percussion and non-percussion modes |
Nov. 7, 2006 |
| 7121361 |
Electric power tool with improved speed change gearing |
Oct. 17, 2006 |
| 7121359 |
Drilling hammer having an external mechanism for selectively switching operation between impact drilling and chiseling modes |
Oct. 17, 2006 |
| 7118507 |
Automatic reduction-ratio changing apparatus |
Oct. 10, 2006 |
| 7108079 |
Electric power tool |
Sep. 19, 2006 |
| 7101300 |
Multispeed power tool transmission |
Sep. 5, 2006 |
| 7100705 |
Flexible power tool motor pack and method of making the same |
Sep. 5, 2006 |
| 7090032 |
Electric power tool |
Aug. 15, 2006 |
| 7080696 |
Motor mounting and sealing arrangement for a power tool |
Jul. 25, 2006 |
| 7073606 |
Manual machine tool |
Jul. 11, 2006 |
| 7066692 |
Dual chuck electrical hand drill |
Jun. 27, 2006 |
| 7063170 |
Flexible power tool motor pack and method of making the same |
Jun. 20, 2006 |
| 7063173 |
Spindle unit with switchable gear, and method for using the spindle unit |
Jun. 20, 2006 |
| 7059425 |
Reciprocating power tool |
Jun. 13, 2006 |
| 7055622 |
Power tool having a handle and a pivotal tool body |
Jun. 6, 2006 |
| 7048075 |
Power tool |
May. 23, 2006 |
| 7048077 |
Drilling machine with pneumatic control |
May. 23, 2006 |
| 7048076 |
Percussion electrical hand held tool |
May. 23, 2006 |
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