Title:
MINI HANDHELD ELECTRIC DRIVER USING A DECELERATOR
Document Type and Number:
WIPO Patent Application WO/2012/138011
Kind Code:
A1
Abstract:
The present invention relates to a mini handheld electric driver using a decelerator. The mini handheld electric driver includes: a driver case including a built-in motor; a driver bit, the length of which extends in both side directions, which is replaceable due to the shape an end at one side or both sides thereof corresponding to that of a bolt, and which includes a fixing hook; a socket coupled to one side of the driver case, wherein the socket is connected to the driver bit; a decelerator connected to the motor so as to transmit a rotational force into the socket, thereby increasing torque; and a battery including a USB port, wherein the battery supplies stable power to the motor. Furthermore, the mini handheld electric driver further includes a multi-socket consisting of a coupling part coupled to one side of the driver case in order to enable the plurality of driver bits to be replaced and connected, and a fixing part for fixing the driver bits to the driver case. Also, according to one embodiment of the present invention, the decelerator includes: a first shaft to which a driver shaft and a gear shaft are coupled; a first carrier including a fitting shaft fitted into the gear shaft of the first shaft, and a sun gear on the rear portion thereof; a first planet gear rotatably coupled to the sun gear disposed on the rear portion of the first carrier; a second carrier including a sun gear rotatably inserted into the central portion of the first planet gear; a second planet gear extending up to the rear portion of the second carrier, wherein the second planet gear is coupled to the sun gear; and a ring gear rotatably coupled to the second planet gear.
Inventors:
KIM BYOUNG KUN (KR)
LEE SANG MIN (KR)
LEE SANG MIN (KR)
Application Number:
PCT/KR2011/003998
Publication Date:
October 11, 2012
Filing Date:
June 01, 2011
Export Citation:
Assignee:
KIM BYOUNG KUN (KR)
LEE SANG MIN (KR)
LEE SANG MIN (KR)
International Classes:
B25B23/147; B25B21/00; B25B23/00; B25B23/18
Domestic Patent References:
| WO1999067061A1 | 1999-12-29 |
Foreign References:
| KR860001079B1 | 1986-08-07 | |||
| KR20080004697A | 2008-01-10 | |||
| JP2006513876A | 2006-04-27 | |||
| KR200432115Y1 | 2006-11-29 |
Attorney, Agent or Firm:
LEE, Joonsung (KR)
이준성 (KR)
이준성 (KR)
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Claims: