Improvements in or connected with the Front Under Carriage Framings of Four Wheeled Road Vehicles.
Year: 1895

page_text: Date of Application, 16th July, 1895
Complete Specification Left 16th Apr 1896 Accented 16th May 1866
Date of Application, 16th July, 1895
Complete Specification Left 16th Apr 1896 Accepted, 16th May, 1866
PROVISIONAL SPECIFICATION.
Improvements in or connected with the Front Under Carriage
Framings of Four Wheeled Road Vehicles.
I, JAMES DUNCAN, of Franklin Street, Adelaide, Province of South Australia,
Coach Builder, do hereby declare the nature of this invention to be as follows:-
This invention has for object :-
-
1. Centralizing the lock appliances of a front under carriage and dispensing with
the usual wheel plates.
2. Socketting the perch collars for localizing their connection with each other as
to make them independent of the perch or king bolt.
3. Connecting the perch collars by lower and upper stays to vehicle body and to
axle frame or spring respectively.
According to my invention, I make a perch collar in two or more pieces with
sockets and recesses respectively, so that they engage and hold themselves in
position without necessitating the use of a perch or king bolt but with which a
perch or king bolt can be fitted.
The socket collars have sweep or curved stays projecting from them which
are curved for fixation to the under fore body, the side springs, the axle or other
desired part or parts, the curvatures being such that the forecarriage can be
turned sufficiently without interfering with the evenness of the vehicle's front
part whether it has one or two persons on the box seat. In some cases the
socket collars are, say, in two three, or four pieces and the stays are arranged
by their curvature to connect them to their several parts either separately or by
arms welded on.
The curvatures and the arrangements of the stays are determined by the
construction or form of body or the kind of vehicle also whether the pull be
from the shafts for a single horse, or a pole or tongue for a pair of horses and
also at the height from which the pull has to be taken.
D
H. GARDNER,
Patent Ageut, 166 Fleet Street, London,
Agent for the said James Duncan.
Improvements in or connected with the Front Under Carriage
Framings of Four Wheeled Road Vehicles.
I, JAMES DUNCAN, of Franklin Street, Adelaide, Province of South Australia,
Coach Builder, do hereby declare the nature of this invention and in what
manner the same is to be performed to be particularly described and ascertained
in and by the following statement :-
This invention has for object :-
:-
1. Centralizing the lock appliances of a front under carriage and dispensing with
the venal what what

page_text: 2. Socketting the perch collars for localizing their connection with each other
as to make them independent of the perch or king bolt.
3. Connecting the perch collars by lower and upper stays to vehicle body and
to axle frame or spring respectively.
According to my invention, make a perch collar in two or more pieces with
sockets and recesses respectively, so that they engage and hold themselves in
position without necessitating the use of a perch or king bolt but with which a
perch or king bolt can be fitted. The socket collars have sweep or curved stays
projecting from them which are curved for fixation to the under fore body, the
side springs, the axle or other desired part or parts, the curvatures being such
-that-the-fore-carriage-can-be-turned-sufficiently without interfering with the
-evenness of the vehicle's front part whether it has one or two persons on the
box seat. In some cases the socket collars are say in two, three, or four pieces,
and the stays are arranged by their curvature to connect them to their several
parts either separately or by arms welded on.
The curvatures and the arrangements of the stays are determined by the
construction or form of body or the kind of vehicle also whether the pull be
from the shafts for a single horse, or a pole or tongue for a pair of horses, and
also at the beight from which the pull has to be taken.
In fore carriages as at present constructed, the fore under carriage turns upon
what is commonly called the "fifth-wheel" which consists essentially of a king
pin forming the centre and circular or segmental wheel plates which slide one
upon the other, the upper one being secured to the carriage body and the lower
to the turning part of the fore under carriage, but the circular wheel plates are
subject to rapid wear-and create a great deal of noise by reason of the vibration
making the contact surfaces rattle.
The principal feature of my invention is that the friction is confined to the
centre of the fore carriage and thus greatly reduces the wear as well as avoids the
rattling occasioned by the contact of the surfaces of the wheel plates as at present.
I substitute in place of the wheel plates bosses or bosses and socketted collars with
stays which connect with the carriage body on one hand and with the turning part
of the fore carriage on the other and evenly distribute the strains resulting from
working the same. The stays connecting the fixed collar and boss to the carriage
body are made of any curve or shape to suit the style of each vehicle to be fitted.
In like manner the stays connecting the turning collar and boss to the turning
part of the fore carriage may be made of any curve or shape adapted to the style
and details of each vehicle.
My invention is clearly shown in the annexed drawings.
Figure 1 front elevation. Figure 2 plan. Figure 3 side elevation of one
arrangement of under carriage of ordinary four-wheeled vehicle. Figure 4 plan
of slightly modified arrangement.
Figures 5 and 6 front and side elevations of under fore carriage particularly
adapted for extra light four wheeled vehicles; the invention being applicable to
single or pair horse carriages or vehicles of like character.
The top bed A is made with a boss B at the centre. Attached to the top bed
are stays C, C, extending downwardly and laterally and connecting the collar D
with the boss B.
The whole is attached to the carriage body by screws or other convenient
means.
The spring bed E is made with a boss F at the centre.
Attached to the spring bed E are stays G, G, extending upwardly and laterally
and connecting the collar H and the boss F. The whole is attached to the
springs I, I, by suitable clips and thus forms the turning part of the fore carriage.
The king pin J passes through the two bosses B and F and the two collars D
and H and thus secures the fixed and turning parts of the vehicle, allowing the
fore carriage to turn as required.

page_text: A stay K extends from collar H forward and downward to the splinter bar L,.
or to a front rail and keeps up the front part of the fore carriage and supports the
weight of the pole, if one be used. In like manner, a stay M extends backward
and upward from the collar D to the bottom of the carriage body and resists the
straining backward of the fore carriage in travelling over uneven roads.
For single horse vehicles, ordinary shafts may be secured to the wheel
irons N, N.
Having now particularly described and ascertained the nature of this inven-
tion and in what manner the same is to be performed I declare that what I
claim is :-
1. The employment of central bosses and collars as frictional contact surfaces in
the lock portions of under fore carriages of vehicles as set forth and substantially
as showu on the annexed drawings for the purposes described.
2. Socketting the bosses or collars for locating one to the other to enable the
lock portions of a fore under carriage of a four wheeled vehicle to be held in contact
without requiring the use of a perch bolt, as set forth.
3. Combining socketted bosses or collars of central contact friction surfaces of
the under fore carriage of four wheeled vehicles with curved stays leading to and
connected respectively with the front body and to the spring clips or their
equivalents and constituting the lock portions for turning purposes as described and
substantially as shown by the annexed drawings.
4. In a fore carriage for four wheeled vehicles, a top bed and a spring bed, a
boss on the top bed, a boss on the spring bed, a king bolt extending through said
bosses, collars, surrounding said king bolt, bis extending from the lower of
said collars to the top bed, a brace also extending from said lower collar for
connection with a vehicle body, and braces extended from the upper of said collars
to a connection with the spring bed, substantially as specified.
ليمي
11000
H. GARDNER,
Patent Agent, 166 Fleet Street, London,
Agent for the said James Duncan.
H. GARDNER,
Patent Agent, 166 Fleet Street, London,
Agent for the said James Duncan.