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Patent Searching and Data


Title:
【考案の名称】穿孔機
Document Type and Number:
Japanese Patent JP2598174
Kind Code:
Y2
Abstract:
A drilling machine comprises a base frame 1 fixed to a workpiece 21, a disc 3 mounted on the base frame 1 and rotatable around its center of rotation, a drill stand 22 mounted on the disc 3, and an electric drill 31 provided on the drill stand 22 and movable in parallel with the rotational axis of the disc 3. A locking device 12 detachably connects the disc 3 to the base frame 1, and a supporting portion 50 is formed on the disc 3 for rotatably and axially slidably supporting the rotary drill shaft 51. By supporting the rotary drill shaft 51 on the supporting portion 50, the cutter 24 is prevented from being displaced laterally and broken.

Inventors:
Kuniaki Shibuya
Application Number:
JP6481693U
Publication Date:
August 03, 1999
Filing Date:
December 03, 1993
Export Citation:
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Assignee:
Nitto Kohki Co., Ltd.
International Classes:
B23B45/14; B23Q9/02; B25H1/00; (IPC1-7): B23B45/14; B23Q9/02
Domestic Patent References:
JP5285717A
JP59191208U
JP60186109U
Attorney, Agent or Firm:
Nagase Seijo (1 person outside)