Apparatus for locking and/or gripping modular attachments of bor

Details Apparatus for locking and/or gripping modular attachments of bor Apparatus for locking and/or gripping modular attachments of bor

1985-05-07

1989-10-31

McGlynn, Joseph H.

Gear cutting, milling, or planing

Milling

With cutter holder

408239R, 279 83, B23C 526, B23B 3100

Patent

active

048773603

ABSTRACT:
The present invention concerns an apparatus for locking and/or gripping modular attachments of boring heads, boring bars, intermediate members, adapters, tool holders, hydraulic punches, long tongs, or other mechanical members. The apparatus comprises one or several fastening elements (1) disposed at regular intervals over the diameter of the drive shaft (2) at a given distance from the surface of application (3) of the part to be driven or adapter (4) cooperating with the fastening elements (1). The fastening elements (1) are hemispherical headed screws, and seats (5) provided on the part to be driven or adapted (4) having a hemispherical section of greater radius than that of the screws. Driving in rotation of the drive shaft has for effect an auto-gripping of the surface (3) of the part to be driven against the application surface (6) of the drive shaft (2).

REFERENCES:
patent: 3304837 (1967-02-01), Perman
patent: 3586344 (1971-06-01), Nixon
patent: 4575292 (1986-03-01), Pape et al.

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