專利國別

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發表日期

2015-12-30 11:10:13

本校案號

P101028A

專利名稱

可供即時監控預壓力之滾珠螺桿「BALL SCREW CAPABLE OF REAL-TIME SURVEILLANCE AND CONTROL OF PRELOAD」

發明人

鄭友仁、黃育賢

所屬院

工學院

提案單位

機械工程學系暨研究所

類型

發明

專利權人

國立中正大學

申請號

13/750,183

申請日期

2013-01-25

公開號

US 2014-0165759 A1

公開日期

2014-06-19

證書號

US 9,145,958 B2

核准日期

2015-09-29

國際分類號

F16H-025/20(2006.01)；F16H-025/22(2006.01)；F16H-057/01(2006.01)

專利權期間

2013.01.25~2033.01.25(延長379天至2034.02.08)

專利摘要

A ball screw includes a screw rod having an external thread; two screw nuts having an internal thread and a circulatory passage each, a spiral path being formed between the internal threads and the external thread and communicating with the circulatory passage, each of the two screw nuts having a keyway located on respective toric surfaces of opposite ends of the two screw nuts, the two keyways facing each other; a link mounted inside the two keyways to traverse the two screw nuts; a force sensor mounted between and squeezed by opposite sides of the two screw nuts; and a plurality of balls located inside the spiral path or the circulatory passage and keeping rolling while moving.

圖示