Title:
【発明の名称】調節可能なセットバックコントロール装置
Document Type and Number:
Japanese Patent JPH02501995
Kind Code:
A
Abstract:
A device for adjustably controlling the position and set-back of a piston rod which extends from a damping cylinder used on an airfeed peck drill. The device includes a plurality of ball members which surround the piston rod. The ball members are positioned against the piston rod by a spring biased cone having a tapered internal surface. The balls are further positioned with respect to the cone by a spring biased ball separator which is movable with respect to the cone by air pressure. The travel of the piston rod is made adjustable by a nut member threadably engaged with the housing.
Inventors:
Stewart, John F
Application Number:
JP50130289A
Publication Date:
July 05, 1990
Filing Date:
October 14, 1988
Export Citation:
Assignee:
Cooper Industries, Inc.
International Classes:
B23B47/18; B23B47/22; B23Q1/28; B23Q16/00; (IPC1-7): B23B47/18
Domestic Patent References:
| JPS56139815A | 1981-10-31 | |||
| JPS5775711A | 1982-05-12 |
Attorney, Agent or Firm:
Shoichi Ui (4 others)