コーナードリル装置、コーナードリル装置用の工具送り機構及び被穿孔品の製造方法

Japanese Patent JP6979284

B2

To make it possible to perform boring with stable quality even at a narrow place.SOLUTION: A tool feed mechanism for a corner drill device comprises: a cylinder mechanism which moves in parallel a corner drill device in a tool axis direction by movement of a piston; a stationery component which is connected to a cylinder tube side of the cylinder mechanism, and is fixed to a drilling jig which is fitted toa cut material, and thus, receives a drilling reaction force from teh cut material in at least the tool axis direction; and a holding mechanism for holding the corner drill device so that power of the piston is transmitted to the corner drill device.SELECTED DRAWING: Figure 1

WO/1988/003848	A METHOD FOR FASTENING A DETAIL ONTO A SURFACE OF A BUILDING STRUCTURE, AND A JIG FOR MAKING A HOLE FOR CARRYING OUT THE METHOD
JP2545567	[Title of the Invention] Holding portion for an accessory
JPS5850803	ELECTROMAGNET BASE TYPE DRILL DEVICE

Masao Watanabe
Tatsuo Nakahata
Manabu Saito
Hideharu Takahashi

JP2017100030A

December 08, 2021

May 19, 2017

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Subaru corporation

B23B45/14; B23B47/22; B23B47/28; B23B49/00; B23B49/02

JP201439992A
JP2008149432A
JP2008110438A
JP4226825A
JP200596134A
JP231611U
JP2012121089A
JP573510U
JP5018231Y1

US20030049082
US3287996

Takehiko Yamada

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