A New or Improved Automatic Cart Brake.
Year: 1890

page_text: Date of Application, 29th Oct., 1890
Complete Specification Left, 12th June, 1891-Accepted, 18th July, 1891
PROVISIONAL SPECIFICATION.
A New or Improved Automatic Cart Brake.
I JOHN THOMAS BUXTON of 40 St. Helen's Street Chesterfield in the County
of Derby Engineer do hereby declare the nature of this invention to be as
follows:-
The object of my invention is to provide automatic means for checking the speed
of carts or like heavy vehicles on descending grades in such a manner as to
restrain the weight from unduly affecting the horse or animal drawing the same.
In carrying out my invention I pivot between the wheel and the body of the
cart a bell crank lever; to the end of the short arm I attach one extremity of a
(preferably) metal band, which is passed round the nave of the wheel so as to
encircle the same, the other extremity being attached to the long arm of the lever
at a convenient point near the fulcrum so that when the said lever is actuated the
band may be tightened round the nave and so restrain the traction of the vehicle
by the pulling forward of the long arm of the lever.
To the end of the long arm I attach a chain, belt or cord passing round a pulley
fixed on one shaft and then secured to one side or end of the breech band at the
rear of the animal.
The opposite side of the cart being treated in a like manner it will be seen that
on the horse backing or the weight being unduly advanced the cords will be
tightened and the brakes applied.
Releasing devices may be used to allow of backing or the usual hooks on the
front of the shaft may be employed.
POPPLEWELL & Co.,
17 & 18, Southampton Buildings, London, W.C., Agents for the Applicant.
COMPLETE SPECIFICATION.
A New or Improved Automatic Cart Brake.
I JOHN THOMAS BUXTON of 40 St. Helen's Street, Chesterfield in the County
of Derby, Engineer, 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 :-
The object of my invention is to provide automatic means for checking the speed
of carts or like heavy vehicles on descending grades in such a manner as to restrain
the weight from unduly affecting the horse or animal drawing the same.
Referring to the accompanying sheet of drawings and to the figures and letters
of reference marked thereon,
Figure 1 is a side elevation of a cart showing the application of my invention,
some of the spokes of the wheel being omitted for the sake of showing my invention
more clearly.
Figure 2 is an enlarged view of the bell crank lever and
Figure 3 is an end elevation of the same.
Figure 4 is a side elevation and Figure 5 is a plan showing the forked joints by
which the metal band is connected to the longer arm of the bell crank lever.
In carrying out my invention I pivot between the wheel A. and the body of the
cart B a bell crank lever C; to the end of the short arm C' I attach one extremity
of a (preferably) metal band D which is passed round the nave E of the wheel
so as to encircle the same the other extremity D' being attached to the long arm C²

page_text: of the lever at a convenient point near the fulcrum so that when the said lever is
actuated the band may be tightened round the nave and so restrain the traction of
the vehicle by the pulling forward of the long arm of the lever.
The bell crank lever is pivotted at I to the bracket J which is secured to the
body or moveable part of the cart B: In adjusting the 'band to the diameter or
size of the nave of the wheel one end is fixed on to the shorter arm of the bell
crank lever by a forked joint plate or equivalent and the outer passed round the
nave and rivetted to the flattened part of tlie forked joint K connecting it to the
longer arm of the bell crank lever. The metal band may be adjusted by pivotting
it through any one of the three holes L, L1, L2 or at any other desirable point.
To the end of the long arm I attach a chain, belt or cord F passing round a
pulley G fixed on one shaft H and then secured to one side or end of the breech
band at the rear of the animal or a rod F may be used in place of a chain, belt or
cord, and a flattened chain is preferable to pass round the roller or pulley G.
The opposite side of the cart being treated in a like manner it will be seen that
on the horse backing or the weight being unduly advanced the cords will be
tightened and the brakes applied. Releasing devices may be used to allow of
backing or the usual hooks ou the front of the shaft may be employed.
Having now particularly described and ascertained the nature of my said
invention and in what manner the same is to be performed I declare that what 2
I claim is-
1. A band brake applied to the nave or naves of the wheels of carts and like
vehicles and operated by the pressure on the breech band at the rear of the
animal drawing said vehicle.
2. The automatic brake for carts and like vehicles substantially as hereinbefore 2
described and generally as illustrated by the accompanying drawings.
Dated this 12th day of June 1891.
POPPLEWELL & Co.,
17 & 18, Southampton Buildings, London, W.C., Agents for the Applicant.