发明名称 INNSTILLINGSVERKTOEY.
摘要 A kickover tool in which the body and actuator are formed of two elongate members having flat sides held in sliding confronting relationship with a tool carrying arm connected thereto and moved between retracted and extended position in response to relative movement between the body and actuator. A locator key is provided which has spring means urging the key to extended position which is rendered ineffective by relative movement between the body and actuator and then either the same spring or another spring is effective to urge the key towards retracted position.
申请公布号 NO830525(A) 申请公布日期 1983.08.18
申请号 NO19830000525 申请日期 1983.02.16
申请人 OTIS ENGINEERING CORP, 发明人 FOUST, TOMMY CHARLES,
分类号 E21B23/03;(IPC1-7):21B/ 主分类号 E21B23/03
代理机构 代理人
主权项
地址
您可能感兴趣的专利