JPH03123706U

JPH03123706U -

Info

Publication number: JPH03123706U
Application number: JP3401090U
Authority: JP
Priority date: 1990-03-30
Filing date: 1990-03-30
Publication date: 1991-12-16

Description

[Brief explanation of drawings]

第１図乃至第４図は本考案に係るフロントヒツ
チピンの脱落防止装置を示し、第１図は第一実施
例に係る脱落防止装置の斜視図、第２図は第１図
の要部平面図、第３図は第１図の要部断面図、第
４図は第二実施例に係る脱落防止装置の要部正面
図、第５図及び第６図は従来のヒツチピンとヒツ
チピンブラケツトの正面図である。１２……ヒツチピンブラケツト、１３……フレ
ーム、１９，３７……ヒツチピン、１５……ヒツ
チピン挿通孔、２１，３５……ロツクブラケツト
、２９……スプリング。 1 to 4 show a front hit pin drop-off prevention device according to the present invention, FIG. 1 is a perspective view of the drop-off prevention device according to the first embodiment, and FIG. 2 is a plan view of the main part of FIG. 1. 3 is a sectional view of the main part of FIG. 1, FIG. 4 is a front view of the main part of the fall prevention device according to the second embodiment, and FIGS. 5 and 6 are of the conventional hitch pin and hitch pin bracket. It is a front view. 12... Hit pin bracket, 13... Frame, 19, 37... Hit pin, 15... Hit pin insertion hole, 21, 35... Lock bracket, 29... Spring.

Claims

[Scope of utility model registration request]

In a vehicle traction device in which a hitch pin is inserted into a hitch pin insertion hole of a hitch pin bracket fixed to the tip of the vehicle frame and a towing wire is locked, a lock bracket is attached to the frame to prevent the hitch pin from falling off. A front hit pin which is rotatably mounted and further includes a spring provided between the lock bracket and the frame to urge the lock bracket to a position where the hit pin inserted into the hit pin insertion hole is held. Fall-off prevention device.