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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||308/3A ; 308/3R ; 308/4R|
|발명자 / 주소||
|인용정보||피인용 횟수 : 17 인용 특허 : 1|
A positioning apparatus in which a runner is arranged to travel backwards and forwards by way of a threaded spindle extending in the lengthwise direction of the apparatus and engaging the runner. The runner is slidably mounted on three guide members positioned symmetrically around the spindle and in parallel therewith. The guide members are parts of guiding profiled members forming part of the housing of the positioning apparatus. Special slide surfaces are arranged on the guide members. The housing of the positioning apparatus is manufactured through ex...
In an improved positioning apparatus comprising an elongate housing formed from a lightweight metal and defining an axially extending internal cavity, a threaded spindle rotatably mounted in said internal cavity of said housing and extending axially therein, a runner mounted on said spindle and threaded thereto for longitudinal movement in response to rotation of said spindle, a member fixed axially on said runner at least in part within said housing and projecting outwardly therefrom in the transverse direction of said positioning apparatus, at least th...