Blocking device for tool holder of hand power tool and hand powe

Details Blocking device for tool holder of hand power tool and hand powe Blocking device for tool holder of hand power tool and hand powe

1995-02-15

1996-03-26

Bishop, Steven C.

Cutting by use of rotating axially moving tool

Miscellaneous

Drill guide

70 15, 70 61, 70 58, 279125, 279158, 408710, 173171, B23B 4500, E05B 7300

Patent

active

055015557

ABSTRACT:
A hand power tool has a tool holder, and a blocking device for the tool holder, the blocking device being connectable with the tool holder and provided with a key unlockable blocking body which secured the blocking device from undesired withdrawal. When the blocking body is connected with the tool holder it blocks the tool holder from insertion of a tool.

REFERENCES:
patent: 2327334 (1943-08-01), Parker
patent: 3130571 (1964-04-01), Neumann
patent: 3785183 (1974-01-01), Sander
patent: 5344329 (1994-09-01), Faller

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