Articulated link for the connection of two ends of the track of

Details Articulated link for the connection of two ends of the track of Articulated link for the connection of two ends of the track of

1987-03-03

1988-10-04

Marbert, James B.

Wheel substitutes for land vehicles

With interposed friction drive belt

305 39, 305 54, B62D 5520

Patent

active

047751983

DESCRIPTION:

BRIEF SUMMARY
CROSS REFERENCE TO RELATED APPLICATIONS

This application is a national phase application corresponding to PCT/DE 86/00290 filed July 16, 1986 and based, in turn, on German national application No. P35 25 748.2 of July 19, 1985 under the International Convention.
1. Field of the Invention
The invention relates to an articulated link for the connection of the ends of the track of a tracked vehicle, whereby two link faces arranged parallel to each other are provided, each link face consisting of two mutually overlapping link-face parts, each having a bore for receiving an articulation bolt, the corresponding contact sides of the link-face parts being arranged parallel to the pivoting plane of the latter, at mutually corresponding contact sides of the link-face parts meshing teeth are provided, as well as a bottom plate bridging both link face parts, which is detachably mounted via throughgoing bolts to the link faces, the toothings in the direction of their longitudinal extent are transverse to the longitudinal extent of the track link, and, in addition, are undercut in such a manner that under the effect of a traction force, they subject the mutually corresponding link face parts to transversal forces directed towards each other.
2. Background of the Invention
An articulated link of this kind is known from German open application No. 30 13 026.
Therein, the teeth and tooth gaps run in concentric circles, whose centers are located on an articulation bolt axis, so that the track can be easily connected. The manufacturing of such teeth is however relatively complicated and expensive.
Even more complicated and expensive is the manufacturing when, according to German Utility Model No. 82 25 641.1, the flanks of the tooth gaps of one of the link faces are constructed in such a manner as to come closer to each other on the side of the tooth gap facing away from the bottom plate, whereby the interval between the flanks in this area is slightly smaller than the thickness of the tooth of the link face engaging in the gap, in order to ensure a certain prelocking of the meshing teeth at the closing of the track, before the bottom plate is mounted.


OBJECT OF THE INVENTION

It is now the object of the invention to provide an improved articulated link while maintaining the advantages already reached according to the state of the art and enabling simpler and cheaper techniques for its manufacture.


SUMMARY OF THE INVENTION

The solution to this problem is characterized in that the flanks of the teeth and tooth gaps are straight over their entire length in the direction of their longitudinal extent and that, on the longitudinal side of the track link facing the bottom plate as well as on the longitudinal side facing away from the bottom plate, they are configured to end freely, and that further the first flanks of the teeth and tooth gaps subject to traction forces are perpendicularly arranged with respect to the longitudinal extent of the track link, while the others, second teeth and tooth gaps not subjected to the traction forces, are arranged at acute angles with respect to the first flanks in the direction of their longitudinal extent. The first and the second flanks of the teeth and tooth gaps preferably include an acute angle of 6.degree..
The flanks, straight over their entire length, and freely ending on both longitudinal sides of the link face parts are easier to manufacture and considerably cheaper than curved flanks.
The link face parts can still be joined relatively simply and also a certain prelocking of the link face parts joined in the correct position is reached, prior to the mounting of the bottom plate.


BRIEF DESCRIPTION OF THE DRAWING

An embodiment of the invention is represented in the drawing and is described more in detail below. In the drawing:
FIG. 1 is a link face part in a frontal view;
FIG. 2 is a section along the line II--II of FIG. 1;
FIG. 3 is the second link face part in a frontal view;
FIG. 4 is a section along line IV--IV of FIG. 3; and
FIG. 5 is a front view of the interconnected li

REFERENCES:
patent: 1980126 (1934-11-01), Williams
patent: 3020096 (1962-02-01), Strnad
patent: 3096661 (1963-07-01), Reinsma et al.
patent: 3853360 (1974-12-01), Khuntia
patent: 4361364 (1982-11-01), Brunn

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