Invention Grant
- Patent Title: Air logic circuit for airfeed peck drill
- Patent Title (中): 用于空气啄钻的空气逻辑电路
-
Application No.: US114956Application Date: 1987-10-30
-
Publication No.: US4867617APublication Date: 1989-09-19
- Inventor: James A. Maass , John F. Stewart , Joseph F. Carter
- Applicant: James A. Maass , John F. Stewart , Joseph F. Carter
- Applicant Address: TX Houston
- Assignee: Cooper Industries, Inc.
- Current Assignee: Cooper Industries, Inc.
- Current Assignee Address: TX Houston
- Main IPC: B23Q16/00
- IPC: B23Q16/00
Abstract:
An improvement to an air logic circuit for an airfeed peck drill includes the insertion of a retract valve between the command valve and the air motor. This retract valve generates a required signal to only allow the drill quill to feed forward after it has been fully retracted
Public/Granted literature
- US6084744A Actuator assembly mounted disc snubber Public/Granted day:2000-07-04
Information query
