Combination of a drill and a means for securing the drill in a c

Details Combination of a drill and a means for securing the drill in a c Combination of a drill and a means for securing the drill in a c

1998-05-29

1999-05-18

Howell, Daniel W.

Cutting by use of rotating axially moving tool

Tool-support

With tool-retaining means

279 62, 279 83, 279137, 408226, 408239R, B23B31/16

Patent

active

059044560

ABSTRACT:
A combination of a drill and a device for securing the drill in a chuck which has a body with a central passage and three slots inclinedly defined in a periphery defining the passage. Three clamping members are inclinedly and movably received in the slots and engaged with an annular member rotatably mounted to the three clamping members. The body has at least one aperture defined radially therethrough which communicates with the passage in which the drill is received which has a plan surface defined in an outer periphery thereof such that a positioning member received in the aperture contacts the plan surface to position the drill in place.

REFERENCES:
patent: 2606034 (1952-08-01), Heldenbrand
patent: 4621818 (1986-11-01), Rohm
patent: 4775159 (1988-10-01), Manschitz

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