Locking screw
AssigneesFu Tai Hua Industry (Shenzhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
InventorsPeng-Yu Chen, Hung-Ti Su
Life of this patent
Estimating the term…
Abstract
A locking screw for connecting two or more articles together is provided. The screw includes an externally threaded shaft, a head, and an elastic member. The head defines a chamber in which a spiral groove is defined. The shaft extends from the bottom of the chamber; and the elastic member is arranged around the shaft and one end of the elastic member is received in the spiral groove of the chamber and another end abuts against an article. The elastic member can be rotated around the longitudinal axis of the shaft, to change the length of the elastic member, so that enough tension is created to ensure locking the screw in place and prevent any rotation, thus maintain a tight engagement among the articles.
Claims4
A locking screw, comprising:
- a head defining a chamber in which a spiral groove is defined;
- an externally threaded shaft extending from a bottom of the chamber;
- and
- an elastic member arranged around the shaft and one end of the elastic member received in the spiral groove of the chamber, and another end of the elastic member to abut against an article when the shaft is screwed into the article, wherein the elastic member is rotatable in the spiral groove to change an effective length of the elastic member along a longitudinal axis of the shaft, and as the effective length of the elastic member changes, tension produced between the elastic member, the head, and the article is adjusted.
Dependencies are inferred from the claim text.