JPH0242841U

JPH0242841U -

Info

Publication number: JPH0242841U
Application number: JP12163088U
Authority: JP
Priority date: 1988-09-19
Filing date: 1988-09-19
Publication date: 1990-03-23

Description

[Brief explanation of drawings]

第１図は本考案の一部切欠き正面図、第２図は
煽戸を上開きする正面図、第３図は同上の一部拡
大断面図、第４図は同上の右側面図、第５図はピ
ン受金具の斜視図、第６図は下部ピンの斜視図、
第７図は一部の拡大断面図、第８図は一部断面の
説明図である。１は煽戸、２は上部ヒンジ、３は荷台、４は上
部受金具、５はブラケツト、６は下部ピン、７は
荷台枠、８はピン受金具、９はストツパ、１０は
フツク、１１は係合部、１２は車枠、１３，１４
は軸、１５はロツド、１６は作動杆、１７は作動
杆の係合部、１８は係止体、１９はスプリング、
２０はヒンジ、２１は一端面、２２は垂直係止部
、２３はＵ字形係止部、２４は他端面、２５は水
平係止部、２６は小開口部、２７は空洞係止部。 Figure 1 is a partially cutaway front view of the present invention, Figure 2 is a front view with the fan door open upwards, Figure 3 is a partially enlarged sectional view of the same, Figure 4 is a right side view of the same, and Figure 4 is a right side view of the same. Figure 5 is a perspective view of the pin holder, Figure 6 is a perspective view of the lower pin,
FIG. 7 is a partially enlarged sectional view, and FIG. 8 is a partially sectional explanatory diagram. 1 is a sliding door, 2 is an upper hinge, 3 is a loading platform, 4 is an upper bracket, 5 is a bracket, 6 is a lower pin, 7 is a loading platform frame, 8 is a pin bracket, 9 is a stopper, 10 is a hook, 11 is Engagement part, 12 is car frame, 13, 14
is a shaft, 15 is a rod, 16 is an operating rod, 17 is an engaging portion of the operating rod, 18 is a locking body, 19 is a spring,
20 is a hinge, 21 is one end surface, 22 is a vertical locking portion, 23 is a U-shaped locking portion, 24 is the other end surface, 25 is a horizontal locking portion, 26 is a small opening, and 27 is a hollow locking portion.

Claims

[Scope of utility model registration request]

The upper hinge provided on the upper part of the fan door is removably locked to the upper bracket attached to the upper part of the loading platform, and the lower pin is fixed to the bracket provided downwardly protruding from the lower end of the fan door. A crescent-shaped engaging part is provided on a part of the outer periphery that protrudes outward, and when the sliding door is closed, one end of the engaging part is attached to the vertical locking part of the pin holder fixed to the platform frame. When the door is locked and the upper part of the door opens and the door is lowered, the other end surface of the engaging part is locked to the horizontal locking part of the pin holder, and the lower pin is attached to the pin holder. A swing door safety device for a dump truck, characterized by forming a semi-circular hollow locking part that is larger than the diameter and has a small opening from which the engaging part cannot escape when the swing door is in a lowered state.