Hammer drilling devices

Details Hammer drilling devices Hammer drilling devices

1975-08-19

1977-09-13

Simpson, Othell M.

Chucks or sockets

Socket type

Lost motion

175395, 279 89, B23B 3106, B23B 5108, B23B 5112

Patent

active

040477223

ABSTRACT:
In a drilling device, especially a hammer drill, a tool is coupled to a tool receiving means by co-operating male and female coupling elements which ensure uniform rotational motion of the tool in relation to the tool receiving means; additional transition and guiding surfaces being provided for inserting or removing the tool single-handed.

REFERENCES:
patent: 1091263 (1914-03-01), Waugh
patent: 1161907 (1915-11-01), Summers
patent: 2219907 (1940-10-01), Ross
patent: 2279960 (1942-04-01), Terry
patent: 2316679 (1943-04-01), Evans
patent: 2965418 (1960-12-01), Edler
patent: 3348887 (1967-10-01), Sheps

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