JPH025440U

JPH025440U -

Info

Publication number: JPH025440U
Application number: JP7894588U
Authority: JP
Priority date: 1988-06-16
Filing date: 1988-06-16
Publication date: 1990-01-16

Description

[Brief explanation of drawings]

図面は本考案の実施例を示し、第１図は取付状
態を示す要部の拡大側面図、第２図は取り外し状
態を示す説明図、第３図および第４図は従来例の
側面図である。１：エンドアタツチメント、２：アーム、３：
操作リンク、４，５：連結ピン、６：ブラケツト
、６′：半円形上向き凹部、６″：嵌入孔、７：
ピン、８：半割れボス、８′：半円形下向き凹部
、８″：嵌入孔、９：抜止用固定ピン、１０：ボ
ルト、１１：ナツト。 The drawings show an embodiment of the present invention; FIG. 1 is an enlarged side view of the main parts showing the installed state, FIG. 2 is an explanatory view showing the removed state, and FIGS. 3 and 4 are side views of the conventional example. be. 1: End attachment, 2: Arm, 3:
Operation link, 4, 5: Connecting pin, 6: Bracket, 6': Semicircular upward recess, 6'': Fitting hole, 7:
Pin, 8: half-split boss, 8': semicircular downward recess, 8'': insertion hole, 9: retaining pin, 10: bolt, 11: nut.

Claims

[Scope of Claim for Utility Model Registration] (1) An end door in which an end attachment 1 such as a bucket is removably connected to the tip of an arm 2 and an operation link 3 on the construction machine body side via connecting pins 4 and 5. In the tatchment attachment device, two half-split bosses 8, 8, front and rear, are rotatably pivoted to a bracket 6 welded to the upper part of the main body of the attachment 1 via pins 7, 7. 8 can be opened and closed with respect to the bracket 6, and the bracket 6 has two front and rear parts.
Semicircular upward recesses 6', 6'The two half-split bosses 8, 8 are provided with semicircular downward recesses 8,'8', and when the half-split bosses 8, 8 are closed, the recesses An end attachment mounting device characterized in that the connecting pins 4 and 5 can be supported. (2) A fitting hole 6'' is provided at the bottom of the semicircular upward concave portion 6' of the bracket 6, and a fitting hole 8'' is provided in the semicircular downward concave portion 8' of the half-split boss 8 to secure the connecting pins 4 and 5 to prevent them from coming off. The end attachment mounting device according to claim 1, wherein both upper and lower ends of the pin 9 can be fitted and fixed into the fitting holes 6'' and 8''.