Title:
【考案の名称】切削工具のバイト変速伝動機構
Document Type and Number:
Japanese Patent JP3094303
Kind Code:
U
Abstract:
Transmission mechanism of drilling/milling tool, including a motor capable of forward and backward rotating. The motor has a transmission shaft for transmitting the power to the transmission mechanism. The transmission mechanism further includes a movable slide gear, a first and a second driven wheels constantly engaged with the slide gear and a brake or shaft mounted on a driving wheel or the driven wheel. The slide gear is responsive to the forward and backward rotation of the transmission shaft to axially move along the brake or shaft to selectively drivingly engage with the first or second driven wheel. In the forward and backward travel of the drill bit or blade, the drill bit or blade is rotated at high or low rotational speed.
Inventors:
Ban Zhong
Application Number:
JP2002007504U
Publication Date:
June 13, 2003
Filing Date:
November 26, 2002
Export Citation:
Assignee:
Liu Yuu Business Co., Ltd.
International Classes:
B23B47/04; B23Q5/12; B23Q5/48; (IPC1-7): B23Q5/14; B23B47/18
Attorney, Agent or Firm:
Matsumoto Takemoto (4 outside)