JPH0465645U

JPH0465645U -

Info

Publication number: JPH0465645U
Application number: JP1990106841U
Authority: JP
Priority date: 1990-10-15
Filing date: 1990-10-15
Publication date: 1992-06-08

Description

[Brief explanation of the drawing]

第１図〜第７図は本考案の実施例を示し、第１
図はアーム支承部の正面図、第２図、第３図、第
４図は動作説明図、第５図、第６図、第７図は小
型路面切削機の正面図、前面図、後面図、第８図
、第９図は従来例の説明図、第１０図、第１１図
は他の従来例の説明図である。１１は車体、１５はアーム、１６はバンパー、
２０，２１は第１・第２支持凹部、２２，２３は
第１・第２支持部、２４は戻しスプリング、２５
はスイツチ。 1 to 7 show embodiments of the present invention.
The figure is a front view of the arm support, Figures 2, 3, and 4 are operation explanatory diagrams. Figures 5, 6, and 7 are front, front, and rear views of the small road milling machine. , FIG. 8 and FIG. 9 are explanatory diagrams of a conventional example, and FIGS. 10 and 11 are explanatory diagrams of another conventional example. 11 is the car body, 15 is the arm, 16 is the bumper,
20 and 21 are first and second support recesses, 22 and 23 are first and second support parts, 24 is a return spring, and 25
is a switch.

Claims

[Scope of utility model registration request]

An arm 15 is attached to the end of the vehicle body 11 in the running direction, and is swingable clockwise about a first fulcrum that can be moved toward and away from the vehicle in the vertical direction, and counterclockwise about a second fulcrum that is movable toward and away from the vertical direction. Supported so that it can swing freely in the direction,
In addition, a switch 25 is provided which is biased and held in the direction in which the first and second fulcrums come into contact with each other by a return spring 24 and is activated by the swinging of the arm 15 and the movement of the first and second fulcrums in the direction in which they are separated. Features: Collision detection device for work vehicles.