Improved Ratchet Lever for Hauling, Lifting, and like purposes.
Year: 1898

page_text: Date of Application, 8th Oct., 1898
2000
1
01
A
4000
PROVISIONAL SPECIFICATION.
Improved Ratchet Lever for Hauling, Lifting, and like purposes.
I, WILLIAM FOGGO, of The Glen, Brereton, near Rugeley, in the County of Stafford,
Engineer, do hereby declare the nature of my invention to be as follows:-
My invention relates to an improved construction of ratchet lever suitable for
hauling, pulling, lifting and other like purposes in positions where other means
would not be available or convenient, such as in the workings of collieries and the
like.
It is a compact and ready, mechanical appliance for utilising leverage in pulling
or hauling chains or ropes in almost any position either horizontal or vertical.
It consists of three chief parts, namely a lever, a rotating drum or barrel, and a
retaining part by which it is anchored, and all three parts are held together by
a pin or axis.
The barrel when constructed for hauling chain consists of two outside ratchet
wheels and a central intermediate barrel with recesses to engage with the links of a
chain, similar to those used in chain-blocks; the barrel fits between the sides of a
lever, carrying a double pawl which engages with both the ratchet wheels upon the
barrel, the said pawl being provided with means by which it may readily be drawn out
of gear with the ratchet teeth and be secured in that position. A reciprocating move-
ment of the lever causes the barrel to revolve as will be well understood.
Upon the centre pin or axis, and outside the sides of the lever, I place the retaining
part, which consists of two sides through which the pin passes, connected by a seg-
mental part which follows the shape and covers about one third of the barrel. It
carries a double pawl which also engages with ratchet wheels upon the drum or
barrel in such a manner as to prevent the barrel turning in the wrong direction.
A lug or other equivalent means for attaching a chain or rope, projects from this
part by which the appliance may be securely anchored or fixed to any convenient,
object to pull against.
When intended for hauling rope, the barrel is made with one or more suitable
grooves, or with rope gripping devices.
1000
Improved Ratchet Lever for Hauling, Lifting, and like purposes.
I, WILLIAM FOGGO, of The Glen, Brereton, near Rugeley, in the County of Stafford,
Engineer, do hereby declare the nature of this invention and in what manner the
[Price 8d.1

page_text: Fig. 4, shows the pin G¹ and its spring.
It consists broadly of three chief parts, namely the operating lever A, the ratchet
wheels and barrel B, and the short lever or anchor C; and the method of using it is
as follows:
A length of suitable chain is secured to the object it is intended to haul; the
short lever or anchor C, is secured to some fixed object, and the free end of the chain
passed round the barrel B, engaging with the link recesses 132 then by the alternate
to and fro movement of the long hand lever A, the load will be gradually
hauled up.
I will now more particularly describe my appliance as shown in the drawings, it
consists of a hand lever of any desired length A, divided into two parts A² and A³,
between which I place a chain barrel B, flanked on both sides with a ratchet
wheel D & D², which are preferably cast in one piece with the barrel B, and which
with the barrel are free to revolve upon the pin or axis E.
The short lever or anchor C, is also forked and its sides C2 and C³ embrace those of
the hand lever, the pin E, passing through them all and being secured by suitable
means such as a split pin F.
Each of these levers carries a double pawl P1, and P2, the catches of which engage
with the teeth of the ratchet wheels when in working position.
They are carried by the pins G¹ and G2, and the catches are held in contact with
the ratchet wheels by the action of coiled springs S, the tension upon which can be
regulated by turning round the pin until a catch under the collar G³ enters one of
the catch holes G¹ situated under the collar and indicated in Fig. 1.
The coiled spring S inside each pawl has a twofold action, a coiling and a longi-
tudinal action; the first to cause the pawl to engage with the ratchet, the second to
move the pawl laterally when it is turned beyond its normal position upon its axis,
and to cause it to catch upon the edge of the lever and thus to retain it out of gear
with the ratchet wheel.
The space allowed for this movement is shown in Fig. 3, and is marked H.
To release the chain when the load is upon it pressure is taken off the pawl 12, by
a forward movement of the hand lever A, the pawl is then turned out of gear by hand
until the lateral movement takes place and secures it, the lever A, is then allowed to
be carried back by the load until the projection P³ of the pawl P1, comes into contact
with finger J, upon the anchor C, which forces it out of the ratchet teeth and releases
the barrel and the chain, the pawl being secured in this position by moving laterally
and catching upon the edge of the lever.
Both pawls are returned to their normal or working position by hand.
In adapting the barrel for rope I prefer to coil the rope more than once round the
barrel, and the pawls will be constructed to press upon each coil and grip it with a
power varying in proportion to the load as is well understood by lifting block
makers.

page_text: 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 I
claim is:
1. An improved ratchet lever for hauling and other like purposes constructed as
herein before described and shown in the drawings.
2. A hauling appliance consisting of a hand lever A, a shorter lever or anchor C, a
winding barrel B, and connected ratchet wheels D₁ & D2, with co-acting spring
pawls P & P2, arranged and operating as hereinbefore described with reference to
the drawings.
3. A hauling appliance having a lever A, an anchoring device such as C, a winding
barrel constructed to take rope, and provided with grippers to prevent the rope
slipping, also with ratchet wheels and pawls, constructed substantially as the appliance
hereinbefore described and set forth.
Deted the 10th Ja of L1000
ROBT. F. DRURY, C.P.A.,
Agent for Applicant.