作者: Mihirogi Kiyoshi
DOI:
关键词: Reciprocating motion 、 Geology 、 Casing 、 Mechanical engineering
摘要: A device for catching and fixing a reciprocating body, which is provided with: pawl means (6) having pawls (22) member disposed on the body so as to be caught; sleeve (25) controlling opening/closing of said according relative position thereof with respect means; locking (5) movement between in closes pawls; releasing (14, 17, 18) driving (44) direction separating from inner wall casing (9) by forcing pressure oil act (9).