Improvements in the Shafts and Poles of Carriages and other Vehicles.
Year: 1889

page_text: Date of Application, 16th Dec., 1889-Accepted, 18th Jan., 1890
COMPLETE SPECIFICATION.
Improvements in the Shafts and Poles of Carriages and other
Vehicles.
I REGINALD HADDAN of the firm of Herbert & Co. Patent Agents of 18
Buckingham Street Strand W.C. in the County of Middlesex Civil Engineer do hereby
declare the nature of this invention a communication to me from abroad Henry
Lefèvre of Paris in the Republic of France, Engineer and in what manner the same is
to be performed to be particularly described and ascertained in and by the following
statement:-
This invention relates to the shafts and poles of carriages and other vehicles.
Heretofore such shafts and poles have been each made of wood in one piece, and
many accidents have resulted to horses in the breaking of them from the dangerous
sharpness of the splinters etc. of the fracture. It is also practically impossible to
carry a spare shaft or pole by reason of its length.
The improvements consist first in making said shafts or pole in several pieces or
sections adapted to be screwed together or otherwise fastened. They may be made of
wood or other material but preferably they are made of aluminium or an alloy of
aluminium. I do not confine myself to any particular method of fastening the
sections together.
The improvements further relate to the joining of the shafts to the vehicle. Hereto-
fore the shafts have been pivoted to the fore-carriage so that they may be folded up
against the vehicle but they are only held up by their weight and are liable to be
thrown down by a jolt to the vehicle or by a gust of wind or otherwise. The
invention consists in arranging at or near the hinge a spring to retain said shafts in
their upward position so that an appreciable amount of force must be exercised to
lower the shafts.
The preferred method of carrying this invention into practice is shown in the
accompanying drawing in which
Fig. 1 is a view of a shaft in 3 sections, there being however any number of
sections. A is the hinge joint B the joint of the first and second section, C the joint
of the second and third section. Fig. 2 is a detail section on a larger scale of the
first section. The hinge lug A is fastened to the tubular part B by rivets R or
otherwise. B is a tube of iron or steel or other metal or material. C¹ is the stop piece
for arresting the shaft in its upper-most position, E is a female screw and G passage
for a fastening bolt.
Fig. 3 is a detail view of the second section. B¹ is the body of the section made
as aforesaid E¹ male screw fastened to the end thereof, G the fastening bolt,
H female screw and G passage for the fastening bolt. Fig. 4 is a section of the
last section of the shaft H being a male screw for fastening into the female
screw H of section No. 2. G fastening bolt. This last male screw is shown
fastened by rivets H₁ the heads of which are of special use as stops for certain
straps of the harness. Although the sections are shown straight they will be
curved in conformity with the general curve of the shaft. Fig. 5 shows the
relative position of the shaft and lug to which it is pivoted when the former is
n its vertical position. Fig. 6 shows the same with the addition of the spring b
before described.

page_text: 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 construction of shafts and poles in sections as before set forth.
2. The combination with the shaft of the spring b adapted to operate in the
manner and for the purpose set forth.
n the eth
Draamb^- 1000
HERBERT & Co.,
18, Buckingham Street, Strand, London, W.C., Agents to Applicant.