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Патент USA US2129696

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Sept. 13, 1938.
_
. 2,129,696"
H. A. KNOX
,TRACK FQR TRACK LAYING VEHICLES
‘Filed Juné 12, 1935
'
Inven’uir
Harry A1411 D'X
AH urns
' 2,129,696
Patented Sept. 13, 1938
A UNITED STATES. PATENT OFF-lCE
2,129,696
TRACK son TRACK-LAYING VEHICLES ,
Harry A. Knox, Washington, D. 0.
Application June 12, 1935, Serial N0. 26,194
2 Claims. ‘(01. 305-10)
3, 1883, as
(Granted under the act of March G.
‘757)
amended April 30, 1928; 370 O._
The invention described ‘herein may be manu
factured and used by or for the Government for,
governmental purposes, without the payment to
me of any royalty theeron.
This invention relates to a track for track
The links B are all identical and_ each one is
mounted onadjoining link pins of adjacent shoes. .
The link includes a-?ange 9 having turned ends
ill-l0 adapted to hook over ‘the link pins. A
bolt insertable between’ the link pins has a wedge- 5 ‘
shaped head H receivable in grooves l2 in the
laying vehicles.
‘link pins. 1 vThe shank I3 of the bolt passes
track of the rubber shoe type in which the track
through the ?ange 9 and receives a nut M. This
connection holds the link. in place and locks the 10
associated link pins against independent rota
The purpose -of the ._ invention is to provide a
through rigid elements.
facilitate construction of
- tension is transmitted
A further object is to
10
15
the track shoe by providing a rigid insert for a
rubber shoe which includes and correctly spaces
tional movement.
bearings or sleeves for the link pins.
amount of rubber in the bushing 8. The frame
D also maintains the shoe against bending and 15
greatly facilitates construction of the shoe in that
the hearings or sleeves 5-—5 are held by the webs
'
To these. and other ends, the invention consists
in the construction, arrangement and combina
and
tion of elements de scribed ‘ hereinafter
pointed out in the claims forming a part of this
speci?cation.
A practical embodiment of the invention is
20 illustrated in the accompanying drawing, where
in:
.
Fig. 1 is a plan view of a portion of the lower
flight of a track constructed in accordance with
the invention.
Fig. 2 is a view in side
elevation.
'
By virtue ofthis construction the track tension
is taken by the metal parts except ‘for the small
v
' in correctly spaced position.
‘In the modi?cation shown in Figs. 5 and 6 the-
}
frame I5 is provided only with side webs I6. This 20
arrangement is used when the shoes are relatively
narrow and are to be used in a double-row track. .
The links H are formed to hook over adjoining
link pins ill of adjacent shoes and are held in
place by the bolt IS in the manner previously‘ de- 25
scribed. The linkv pins l8 are each ?xed-in a rub
ber bushing 20.
>
the
Fig. 4 is a view in side elevation of a shoe,
I claim:
a
.
link pins in section.
' 1'. A track for track-laying vehicles embodying
Fig. 5 is a plan view partly in section of a a series of spaced shoes; each‘ shoe consisting of 30
a rigid rectangular frame of spaced sleeves con-_
30 double-row track.
Fig. 6 is a sectional view of a modi?ed insert nected at their ends by webs, a block of rubber
employed in the track of Fig. 5.
. vulcanized around the frame; and a rubber bush- ’ ' Referring to Figs. 1 to 4, the track comprises a
ing ?xed in each sleeve; 2. link pin passing
row of shoes A connected in spaced relation by through and ?xed .in each bushing, and a rigid 35
on
link
pins
0
extending
f detachable link connecting adjoining pins of ad
35 rigid links B mounted
transversely through opposite ends of the shoes. jacent shoes, spaced from the shoes and immov- ,
The shoes A are all identical and each consists able angularly and longitudinally with respect to
of a block of rubber or similar material having the pins.
a‘ rigid insert or frame D, preferably of metal. . _ 2. A track for track-laying vehicles embodying 40
pair of spaced, parallel
40 The frame comprises a connected at their ends a series of spaced shoes; each shoe consisting of a
block of rubber-having a rigid rectangular metal
bearings or sleeves 5—5
by side webs 6-6 and optionally connected at frame'insert including spaced sleeves, and a rub-,
their intermediate portions by one or more webs ber bushing fixed in each sleeve; a link pin passing
1. The rubber vulcanized to the frame to form through and ?xed in each bushing, and a rigid 45
of the frame except the outer detachable link connecting adjoining pins of ad
45 the shoe, covers all
faces of the'side webs 6-6. Each of the. sleeves 5 jacent shoes, spaced from the frame and immov-v
carries a rubber bushing 8 whose outer surface is able'with respect to the pins.
HARRY A. KNOX.
‘fixed to the sleeve and whose inner surface is
?xed to the link pin C.
25
‘
Fig. 3 is a
plan view of the rigid insert.
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