Adjustable boring head tool holder

Details Adjustable boring head tool holder Adjustable boring head tool holder

1982-07-12

1985-03-26

Briggs, William R.

Cutting by use of rotating axially moving tool

Tool-support with means to permit positioning of the tool...

Including tool-holding clamp and clamp actuator

408186, 408187, B23B 5100

Patent

active

045070270

ABSTRACT:
An adjustable boring head tool holder including a boring bar and a bar holder where securement of the boring bar to the bar holder is accomplished with a slot and key combination and a cam clamp. To add rigidity to the tool holder, a hold down clamp may be used which has a foot that fits over a flange of the bar and pulls the flange against the housing of the bar holder.

REFERENCES:
patent: 555869 (1896-01-01), Lemieux
patent: 963559 (1910-07-01), Hines
patent: 1479488 (1924-01-01), Zidakovits
patent: 1738847 (1929-12-01), Shearer
patent: 2253085 (1941-08-01), Morrell
patent: 2643556 (1953-06-01), Briney
patent: 2706421 (1955-04-01), Fried et al.
patent: 2812672 (1957-11-01), Sainati et al.
patent: 2931254 (1960-04-01), Briney et al.
patent: 3753624 (1973-08-01), Walker et al.
patent: 4063843 (1977-12-01), Barkley et al.

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