Title:
AIRFEED PECK DRILL CONFIGURATION
Document Type and Number:
WIPO Patent Application WO1989004228
Kind Code:
A3
Abstract:
An airfeed peck drill includes a substantially cylindrical drill quill contained within a cylinder in a housing. On the rear end of the drill quill is located an offset piston, the offset piston provides force for the entry and exit of the drill quill into or from a workpiece. On the front end of the drill quill is a reaction bracket which is attached to a motion transfer arm. On the rear end of the motion transfer arm is an engagement arm which is constructed and arranged to engage a piston rod which extends from a damping cylinder.
Inventors:
DEREMO EDWIN J (US)
Application Number:
PCT/US1988/003599
Publication Date:
June 29, 1989
Filing Date:
October 14, 1988
Export Citation:
Assignee:
COOPER IND INC (US)
International Classes:
B23B45/04; B23B47/22; B23Q5/26; B23Q16/00; (IPC1-7): B23B45/00
Foreign References:
| US3955629A | 1976-05-11 | |||
| US4123188A | 1978-10-31 | |||
| US4233885A | 1980-11-18 | |||
| US4362444A | 1982-12-07 |
Other References:
See also references of EP 0345344A1
Download PDF:
Previous Patent: AUTOMATIC LATHE FOR SHAPING BARS OF MATERIAL
Next Patent: ADJUSTABLE SET BACK CONTROL DEVICE
Next Patent: ADJUSTABLE SET BACK CONTROL DEVICE