Particle-aspirating accessory for a hammer drill

Details Particle-aspirating accessory for a hammer drill Particle-aspirating accessory for a hammer drill

1976-09-22

1978-06-27

Vlachos, Leonidas

Cutting by use of rotating axially moving tool

With means to apply transient, fluent medium to work or product

408 68, 408112, 408241G, 175213, B23B 5106

Patent

active

040971767

ABSTRACT:
A hammer drill is provided with an accessory that is rotatably supported on the chuck of the drill and has a handle fixed to the support rotatable on the drill chuck. Structure is provided forming a throughgoing passage extending from the tool through the handle to the outer end of the handle and a flexible conduit is connected to this handle at the outer end thereof for drawing gas and particles from the tool through the passage. The structure may surround an intermediate portion of the tool at the radial opening of an axial bore through the tool so that particles and the like can be aspirated directly through the tool. Alternately a telescoping tube is provided connected at its rear end to the passage at the support and at its front end to a cup through whose base the drill passes, so that this cup is pressed against the workpiece during the drilling operation.

REFERENCES:
patent: 994430 (1911-06-01), Tunks
patent: 2339324 (1944-01-01), Fischer
patent: 2870993 (1959-01-01), Jahnke
patent: 2994235 (1961-08-01), Rise
patent: 3850254 (1974-11-01), Hirdes

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