Drilling device

Details Drilling device Drilling device

1978-11-13

1980-05-13

Culver, Horace M.

Chucks or sockets

Socket type

Lost motion

279 82, B23B 3106, B23B 3110

Patent

active

042025575

ABSTRACT:
A drilling device with an arrangement for the detachable connection of a drill, especially a rock drill, percussion drill, hammer drill, and the like, to a receiving device, e.g. a drive head, which has a longitudinal bore for receiving the shank of the drill, and also has a driving part which is drivingly connectable to a drilling machine and is coaxial with the longitudinal bore. The drilling device furthermore comprises a drive transmitting member movable in the driving part transverse in the longitudinal bore of the receiving device. The drive transmitting or follower member is arranged to engage a bottom face of a recess in the shank of the drill. This recess has a segment-shaped cross section and has a bottom extending continuously over the entire corresponding width of the drill shank. On the driving part a securing part is mounted which is movable substantially in axial direction of the driving part into a position in which the drive transmitting member is arrested in its drive transmitting position and also into a position in which the drive transmitting member is released from its drive transmitting position and action.

REFERENCES:
patent: 1862337 (1932-06-01), Emrick
patent: 2767988 (1956-10-01), Dietrich et al.
patent: 3195909 (1965-07-01), Winnen
patent: 3436086 (1969-04-01), Glenzer
patent: 3830135 (1974-08-01), Sullivan
patent: 3945653 (1976-03-01), Falchle

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