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1. (US3867988) POWER TOOLS

Office : United States of America
Application Number: 05328914 Application Date: 02.02.1973
Publication Number: 3867988 Publication Date: 25.02.1975
Grant Number: 3867988 Grant Date: 25.02.1975
Publication Kind : A
IPC:
B25D 11/00
B25D 11/06
B25D 16/00
B25F 5/00
E21B 6/00
E21B 6/06
B PERFORMING OPERATIONS; TRANSPORTING
25
HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; HANDLES FOR HAND IMPLEMENTS; WORKSHOP EQUIPMENT; MANIPULATORS
D
PERCUSSIVE TOOLS
11
Portable percussive tools with electromotor drive
B PERFORMING OPERATIONS; TRANSPORTING
25
HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; HANDLES FOR HAND IMPLEMENTS; WORKSHOP EQUIPMENT; MANIPULATORS
D
PERCUSSIVE TOOLS
11
Portable percussive tools with electromotor drive
06
Means for driving the impulse member
B PERFORMING OPERATIONS; TRANSPORTING
25
HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; HANDLES FOR HAND IMPLEMENTS; WORKSHOP EQUIPMENT; MANIPULATORS
D
PERCUSSIVE TOOLS
16
Portable percussive machines with superimposed rotation
B PERFORMING OPERATIONS; TRANSPORTING
25
HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; HANDLES FOR HAND IMPLEMENTS; WORKSHOP EQUIPMENT; MANIPULATORS
F
COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
5
Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
E FIXED CONSTRUCTIONS
21
EARTH OR ROCK DRILLING; MINING
B
EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
6
Drives for drilling with combined rotary and percussive action
E FIXED CONSTRUCTIONS
21
EARTH OR ROCK DRILLING; MINING
B
EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
6
Drives for drilling with combined rotary and percussive action
06
the rotation being intermittent, e.g. obtained by a ratchet device
Applicants: ROCKWELL INTERNATIONAL CORPORATION
Inventors: Koehler
Priority Data: 05328914 02.02.1973 US
Title: (EN) POWER TOOLS
Abstract:
(EN)

Power driven devices in which a tool is axially impacted by a driver mounted in a reciprocably driven piston. The tool can be intermittently rotated or not, as desired.