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1. (US20050194165) Impact drill

Office : United States of America
Application Number: 11070164 Application Date: 03.03.2005
Publication Number: 20050194165 Publication Date: 08.09.2005
Grant Number: 7213659 Grant Date: 08.05.2007
Publication Kind : B2
IPC:
B23B 45/00
B23B 45/16
B28D 1/14
B28D 1/26
E02D 7/00
E02D 7/02
B PERFORMING OPERATIONS; TRANSPORTING
23
MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B
TURNING; BORING
45
Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
B PERFORMING OPERATIONS; TRANSPORTING
23
MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B
TURNING; BORING
45
Hand-held or like portable drilling machines, e.g. drill guns; Equipment therefor
16
with superimposed percussive action
B PERFORMING OPERATIONS; TRANSPORTING
28
WORKING CEMENT, CLAY, OR STONE
D
WORKING STONE OR STONE-LIKE MATERIALS
1
Working stone or stone-like materials, e.g. brick, concrete, not provided for elsewhere; Machines, devices, tools therefor
14
by boring or drilling
B PERFORMING OPERATIONS; TRANSPORTING
28
WORKING CEMENT, CLAY, OR STONE
D
WORKING STONE OR STONE-LIKE MATERIALS
1
Working stone or stone-like materials, e.g. brick, concrete, not provided for elsewhere; Machines, devices, tools therefor
26
by impact tools, e.g. by chisels or other tools having a cutting edge
E FIXED CONSTRUCTIONS
02
HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING
D
FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
7
Methods or apparatus for placing sheet pile bulkheads, piles, mould-pipes, or other moulds
E FIXED CONSTRUCTIONS
02
HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING
D
FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
7
Methods or apparatus for placing sheet pile bulkheads, piles, mould-pipes, or other moulds
02
Placing by driving
Applicants: Hitachi Koki Co., Ltd.
Inventors: Saito Takuma
Ohtsu Shinki
Watanabe Hideki
Toukairin Junichi
Agents: McGinn IP Law Group, PLLC
Priority Data: 2004061806 05.03.2004 JP
Title: (EN) Impact drill
Abstract: front page image
(EN)

An impact drill includes a first ratchet together with a spindle and movable in an axial direction, and a second ratchet engageable with the first ratchet. The second ratchet can be moved in the axial direction, and rotated with a predetermined range in a rotational direction.


Also published as:
JP2005246561