JPH0281912U

JPH0281912U -

Info

Publication number: JPH0281912U
Application number: JP16283288U
Authority: JP
Priority date: 1988-12-15
Filing date: 1988-12-15
Publication date: 1990-06-25

Description

[Brief explanation of drawings]

第１図はこの考案による抜け止め用筒体を示す
正面図、第２図は第１図の側面図、第３図はこの
考案によるスペーサおよび抜け止めボルトを示す
斜視図、第４図、第５図、第６図はこの考案によ
るスペーサにより抜け止めボルトを固定した異な
る状態を示す説明用図、第７図は従来の油圧シヨ
ベルにおけるバケツト操作用のリンクとアームと
を結合するピンの抜け止め装置を示す断面平面図
、第８図は従来の抜け止め用筒体を示す正面図、
第９図は第８図の側面図である。１……アーム、２……リンク、３……抜け止め
ピン、３ａ……ピン穴、４……抜け止め用筒体、
４ａ……長穴、５……抜け止めボルト、６……ナ
ツト、７……スペーサ。 Fig. 1 is a front view showing a retaining cylinder according to this invention, Fig. 2 is a side view of Fig. 1, Fig. 3 is a perspective view showing a spacer and a retaining bolt according to this invention, Figs. Figures 5 and 6 are explanatory diagrams showing different states in which the locking bolt is fixed by the spacer of this invention, and Figure 7 is a locking pin that connects the link and arm for bucket operation in a conventional hydraulic excavator. A cross-sectional plan view showing the device; FIG. 8 is a front view showing a conventional retaining cylinder;
FIG. 9 is a side view of FIG. 8. 1... Arm, 2... Link, 3... Stopping pin, 3a... Pin hole, 4... Stopping cylinder,
4a...Elongated hole, 5...Keeping bolt, 6...Nut, 7...Spacer.

Claims

[Scope of utility model registration request]

Insert a retaining pin into the pin hole provided in the connecting part of the rocking member to be relatively swung, fit the retaining cylinder into the end of the retaining pin, and then insert the retaining pin into the end of the retaining pin and the retainer. In a pin retaining device in which a retainer is inserted into a retaining pin hole provided in a retaining cylinder, a center line in the longitudinal direction with respect to the end surface of the retaining cylinder is attached to the diametrical portion of the peripheral wall of the retaining cylinder. A slotted oblong hole is provided as a fixing pin hole, and a retainer inserted into the oblong hole is fixed at a selected position by a spacer interposed between the wall of the oblong hole and the retainer. A device to prevent pins from falling out.