JPH02105608U

JPH02105608U -

Info

Publication number: JPH02105608U
Application number: JP1478189U
Authority: JP
Priority date: 1989-02-10
Filing date: 1989-02-10
Publication date: 1990-08-22

Description

[Brief explanation of drawings]

第１図は第１の実施例を示す直動案内ユニツト
の斜視図、第２図は、同上固定ボルト軸心におけ
る進行方向と直角方向断面図、第３図は、同上固
定ボルト軸心における進行方向部分断面図、第４
図は、第２実施例を示す固定ボルト軸心における
進行方向と直角方向断面図、第５図は、従来例の
断面図、第６図は同上部分拡大断面図である。１：レール、２，２ａ：スライドユニツト、３
：基台、４：摺動基台、１２：固定ボルト、１３
：取付孔、１５：頭部、１６：座ぐり部、１７：
緩み防止部材、１９：雌ねじ部。 Fig. 1 is a perspective view of a linear motion guide unit showing the first embodiment, Fig. 2 is a cross-sectional view in a direction perpendicular to the direction of movement at the axis of the above fixing bolt, and Fig. 3 is a perspective view of the linear motion guide unit showing the axis of the above fixing bolt. Directional partial sectional view, 4th
The figure is a cross-sectional view of the second embodiment in a direction perpendicular to the advancing direction at the axis of the fixing bolt, FIG. 5 is a cross-sectional view of the conventional example, and FIG. 6 is a partially enlarged cross-sectional view of the same. 1: Rail, 2, 2a: Slide unit, 3
: Base, 4: Sliding base, 12: Fixing bolt, 13
: Mounting hole, 15: Head, 16: Counterbore, 17:
Loosening prevention member, 19: Female threaded portion.

Claims

[Scope of utility model registration request]

In the linear motion guide unit, a counterbore portion is provided in the mounting hole for the fixing bolt to the base of the linear motion guide unit, and the counterbore portion accommodates the head of the fixing bolt sufficiently. A device for preventing loosening of a fixing bolt of a linear motion guide unit, characterized in that a female threaded portion of a reverse thread is formed, and a loosening prevention member is screwed onto the female threaded portion in contact with the head of the screwed fixing bolt.