JPS6279681U

JPS6279681U -

Info

Publication number: JPS6279681U
Application number: JP17245085U
Authority: JP
Priority date: 1985-11-09
Filing date: 1985-11-09
Publication date: 1987-05-21

Description

[Brief explanation of the drawing]

図面は本考案に係るゴムクローラ式走行装置の
実施例を示し、第１図はアイドラーと芯金との係
合状態を示す要部断面図、第２図はスプロケツト
と芯金との係合状態を示す要部断面図、第３図は
クローラ平面図、第４図は走行装置の全体側面図
、第５図及び第６図は夫々別実施例を示す要部断
面図、第７図は従来のアイドラーと芯金との係合
状態を示す要部断面図、第８図は従来のスプロケ
ツトと芯金の係合状態を示す要部断面図である。４……スプロケツト、５……アイドラー、５Ａ
……円筒状外周面、５Ｂ……係合部、５ｂ……外
方突出部、６……ゴムクローラ、７ａ……係入部
、８……芯金、８Ａ……内方突出部、８Ｂ……凹
部、８ａ……芯金突起。 The drawings show an embodiment of the rubber crawler type traveling device according to the present invention, FIG. 1 is a sectional view of the main part showing the state of engagement between the idler and the core metal, and FIG. 2 shows the state of engagement between the sprocket and the core metal. 3 is a plan view of the crawler, FIG. 4 is an overall side view of the traveling device, FIGS. 5 and 6 are sectional views of essential parts showing different embodiments, and FIG. 7 is a conventional one. FIG. 8 is a cross-sectional view of a main part showing the engagement state of a conventional sprocket and a core metal. FIG. 4... Sprocket, 5... Idler, 5A
...Cylindrical outer circumferential surface, 5B...Engaging portion, 5b...Outward protrusion, 6...Rubber crawler, 7a...Entering portion, 8...Core bar, 8A...Inward protrusion, 8B... ... recess, 8a... mandrel protrusion.

Claims

[Scope of utility model registration request]

A pair of left and right core metal protrusions 8a, 8a are provided on each of the core metal 8 arranged in parallel in the longitudinal direction of the rubber crawler 6, and a pair of cylindrical outer circumferential surfaces 5A for receiving the left and right pair of core metal protrusions 8a are provided on the idler 5. Engaging portions 5B are formed side by side in the direction of the rotational axis, are positioned between the two cylindrical outer circumferential surfaces 5A, and are inserted between the pair of left and right core bar protrusions 8a, 8a;
The pair of left and right core metal protrusions 8a are provided on the idler 5 to protrude in the radial direction thereof, and are provided between the core metals 8.
, 8a, in which the rubber crawler 6 is formed with an engaging part 7a into which the tooth part 4a of the drive sprocket 4 engages, and the pair of left and right core bar protrusions 8a, An inward protrusion 8A that protrudes in the same direction as the mandrel protrusions 8a is formed on the core metal 8 at a portion between the mandrel protrusions 8a, and a recess 8 between the mandrel protrusion 8a and the inward protrusion 8A is formed.
A rubber crawler traveling device in which an outwardly protruding portion 5b that is inserted into the idler 5 is formed on the engaging portion 5B of the idler 5 over its entire circumference.