Year: 1886

page_text: Date of Application, 23rd Mar., 1886.
Complete Left, 23rd Dec., 1886.
Complete Accepted, 25th Jan., 1887.
I, WILLIAM THOMAS EADES of Golden Hillock Road Small Heath near Birmingham
in the County of Warwick Manufacturer do hereby declare the nature of this invention
to be as follows:-
This invention relates to means or appliances for elevating loads or weights by
means of hoist tackle and gear mounted within a frame, suspended by a swivel hook
carried by the top portion of the frame; that is, the hoist consists essentially of two
axes or spindles, mounted within a frame suspended by a swivel hook connected to a
cross bar near the top end of the frame; and which said axes carry respectively a
hoist wheel and an elevating block, with toothed gear connected with each, which gear
with each other. The proportion between the diameters of the gear and elevating
block on one shaft, differs from the proportion between the diameters of the gear and
hoisting or hand wheel on the other axis; so that the overhauling of the chain passing
around and lying within the seats or depressions in the periphery of the said hoist
wheel, shall raise or lower the chain passing around the elevating block. The retro-
action or running down of the said elevating block is effected by an incline or inclines
between the adjacent faces of the hoist or hand wheel and its pinion, and by a pawl and
ratchet wheel connected with the latter.
In carrying out my invention, I take a frame composed of two sides, and connected
at its top by a cross bar, which carries the swivelling hook by which the hoist is
suspended, and crossing the frame at or about its middle is an axis or shaft carrying a
hoist or hand wheel upon one side, and a ratchet wheel and pinion wheel upon the
other side, the latter coming between the two former. The said pinion is loose upon
the shaft, while the ratchet wheel is a fixture. Connection between them and the hoist
wheel is effected by a screw or inclined clutch disposed between the adjacent faces of
the wheel and its pinion. A pawl jointed to the inside of the frame, engages with the
teeth of the ratchet wheel. Some play is allowed for, between the hoist wheel and
pinion, to admit of a slight lateral sliding motion of the parts, when a weight is to be
lowered. The hoist wheel has upon the frame side, a boss which bears against a collar

page_text: on the shaft, which latter receives the thrust on the forcing asunder of the parts by
the inclines between the hand wheel and pinion.
Below the first named axis, and crossing the lower part of the framing, is a second
axis or shaft carrying a large toothed wheel, which engages or meshes with the pinion
above it, and connected upon the side of this said toothed wheel, is a lifting wheel,
around which a chain to which the weight is suspended, passes.
In raising a load, pull one side of the chain passing around the hoist wheel, when
the said wheel, pinion and ratchet wheel move together, and the rotation of which is
imparted through the pinion to the toothed wheel connected with the lifting wheel
immediately below it, thereby raising a load which is prevented from running back by
the pawl engaging with the ratchet wheel.
When a weight is required to be lowered, the hoist or hand wheel is turned in the
reverse direction, by its chain when the inclines before named between the hoist wheel
and its pinion relax the clutch action and allow the weight to descend at any desired
speed. The lateral thrust being exerted upon the collars or bosses on the shaft next
to the two inside faces of the frame; that is to say, the amount of pull given to the
chain, determines the rate at which the weight is lowered; so that on ceasing to pull
the chain, the weight is self sustained at that point.
When no gear is employed, I simply substitute the lifting wheel for the pinion on
the hand wheel axis; that is, the hoisting and hand wheel and lifting wheel, and
ratchet wheel, are upon the same axis, with the inclined clutch device, between the
hand wheel and the lifting wheel.
The hand wheel instead of being loose upon the shaft, may be made fixed, and the
pinion next to it is wedged against the ratchet wheel, instead of against the hoist
wheel. The boss or axial hole of the pinion is internally wormed, which takes upon a
screwed part on the shaft or axis.
By constructing aud arranging the parts of raising and lowering mechanism as
described, a very convenient portable hoist is obtained.
WILLIAM THOMAS EADES.
By Henry Skerrett,
6, Livery Street, Birmingham,
Agent to the Applicant.

page_text: A New or Improved Portable Lifting Block or Hoist.
I, WILLIAM THOMAS EADES of Golden Hillock Road, Small Heath near Birmingham,
in the County of Warwick Manufacturer 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 relates to means or appliances for elevating loads or weights, by
means of hoist tackle and gear mounted within a frame, suspended by a swivel hook
carried by the top portion of the frame; that is, the hoist consists essentially of two
axes or spindles, mounted within a frame, suspended by a swivel hook connected to a
cross bar at or near the top end of the frame; and which said axes, carry respectively
a hoist wheel, and an elevating block, with toothed gear connected with each, and which
said wheels gear with each other. The proportion between the diameters of the gear,
and elevating block on one shaft, differs from the proportion between the diameters of
the gear and hoisting or hand wheel on the other axis; so that the overhauling of the
chain passing around and lying within the seats or depressions in the periphery of the
said hoist wheel, shall raise or lower the chain passing around the elevating block.
The retro-action or running down of the said elevating block, is effected by an incline
or inclines, between the adjacent faces of the hoist or hand wheel and its pinion, and
by a pawl and ratchet wheel connected with the latter.
In carrying out my invention, I take a frame composed of two sides, and connected
at its top by a cross bar, which carries the swivelling hook, by which the hoist is
suspended; and crossing the frame at or about its middle is an axis or shaft carrying
a hoist or hand wheel upon one side, and a ratchet wheel and pinion wheel upon the
other side, the latter coming between the two former. The said pinion is loose upon
the shaft, so also is the ratchet wheel and hoist wheel. Connection between them and
the hoist wheel is effected by a screw or inclined clutch, disposed between the adjacent
faces of the wheel and its pinion. A pawl jointed to the inside of the frame, engages
with the teeth of the ratchet. Some play is allowed for, between the hoist wheel and
pinion, to admit of a slight lateral sliding motion of the parts, when a weight is to be
lowered.
The hoist wheel has upon the frame side, a boss which bears against a collar on the
shaft, which latter receives the thrust on the forcing asunder of the parts, by the
inclines between the hand wheel and pinion.
Below the first named axis, and crossing the lower part of the framing, is a second
axis or shaft carrying a large toothed wheel, which engages or meshes with the pinion
above it; and connected upon the side of this said toothed wheel, is a lifting wheel,
around which a chain to which the weight is suspended, passes.
In raising a load pull one side of the chain passing around the hoist wheel, when
the said wheel, pinion and ratchet wheel move together, and the rotation of which is
imparted through the pinion to the toothed wheel connected with the lifting wheel,
immediately below it, thereby raising a load which is prevented from running back, by
the pawl engaging with the ratchet wheel
When a weight is required to be lowered the hoist or hand wheel is turned in the
reverse direction by its chain, when the inclines before named between the hoist wheel
and its pinion, relax the clutch action, and allow the weight to descend at any desired
speed. The lateral thrust being exerted upon the collars or bosses on the shaft next
to the two inside faces of the framing; that is to say, the amount of pull given to the
chain, determines the rate at which the weight is lowered; so that on ceasing to pull
the chain, the weight is self sustained at that point.

page_text: When no gear is employed,
the hand wheel axis; that is, the
wheel, are upon the same axis;
wheel and the lifting wheel.
simply substitute the hiting wheel for the рипон он
hoisting or hand wheel and lifting wheel, and ratchet
with the inclined clutch device, between the hand
The hand wheel instead of being loose upon the shaft may be made fixed, and the
pinion next to it is wedged against the ratchet wheel instead of against the hoist wheel.
The boss or axial hole of the pinion is internally wormed, which takes upon a screwed
part on the shaft or axis.
By constructing and arranging the parts of raising and lowering mechanism as
described, a very convenient portable hoist is obtained.
I will now proceed to describe with reference to the accompanying drawings, the
manner in which the same is to be performed.
i
Figure 1 represents in front elevation, with some of the parts in vertical section, a
portable lifting hoist, constructed according to my invention. Figure 2 represents an
end view of the clutch arrangement.
a a are sides of the frame, and are connected at their top ends by a cross bar b,
which carries a swivelling hook c, and by which said hook the hoist is suspended. dis
a horizontal axis or shaft carrying a hoist wheel e, toothed pinion f, and ratchet wheel g,
which turn round upon the said shaft when moved in one direction.
Connection between the hoist wheel, and the said pinion is effected by clutch faces e*
f; that is, the hoist wheel has upon its inside face, a boss e³, having upon its face, a
graduated incline e³ and shoulder e, while the pinion f has upon that side in juxta
position to the said hand wheel, a similar boss with incline, and shoulder, like
those on the boss of the hand wheel aforesaid, which when brought together, make a
clutch action.
Some play is allowed for between the hoist wheel and the pinion, to admit of them
having a lateral sliding motion, on the weight requiring to be lowered.
The axis and shaft d are provided on the inside portions of the frame, with collars d² d³,
which receive the thrusts of the outside wheels, on the parts being forced asunder, by
the inclines of the clutch action working one upon another.
Below the before named axis, and crossing the lower part of the framing, is a second
axis or shaft h carrying a large toothed wheel i, and a lifting wheel j, around which
latter, a chain, to which the weight is suspended, passes, while the large toothed wheel i
aforesaid, gears with the pinion f.
wheel
e,
In raising a load, pull the near side of the chain passing over and around the hoist
when the said wheel, pinion and ratchet wheel move together, and the motion
thus imparted, is transferred to the axis h and elevating block j, through the large
toothed wheel i, gearing with the pinion above it, thereby raising a load, which is
prevented from running back by the pawl k engaging with the teeth of the ratchet
wheel g.
On a weight requiring to be lowered the hoist wheel is turned in the reverse
direction, when the inclines e³ ³ between the hoist wheel and pinion, relax the clutch
action, and allow the weight to descend at any desired speed, according to the pull
given to the chain; that is to say, the lateral thrust exerted upon the collars d2 d³ of
the shaft d, on the forcing asunder of the parts, by the inclines e f³ moving in a
reverse direction upon each other.
Figure 3 represents in elevation, partly in section, another form of my invention
with the parts in position for raising. Figure 4 represents the same with the parts in
position for lowering, and with the contact faces of the pinion and ratchet wheel
separated; so that when the parts are in this said position, the weight can work down
freely. Figure 5 is a section through A B figure 1.
The same letters of reference indicate corresponding parts in figures 3, 4 and 5 of
the drawings.
a a are the side framings of the hoist, connected together at the top end by a cross
bar b, and carrying as before a swivelling hook c. d is a horizontal axis or shaft, carrying
at one end and affixed to it, a hoist wheel e, over which an endless chain e² passes.
is a wormed end of the shaft or axis, passing through a screw box or a screw eye ƒ³ in

page_text: the middle of the pinion f; so that the said pinion is made to traverse to and fro upon
the screw, on the turning of the axis or shaft in either one or other direction. This
said shaft has a boss d³ about its middle, and works within the hollow or inside of a
ratchet wheel g which latter, is free to move in one direction, when the parts are locked
together, and prevented in the other direction from running back by a pawl k.
Below the shaft d is a second shaft h, which has keyed to it, and carries a toothed
wheel i, and elevating block j of which the former gears with the pinion f.
In raising a load, as in figure 3, the forward part of the chain e is pulled, when the
hoist wheel and axis on which it is mounted is rotated, causing the face of the
pinion to be jambed against the face of the ratchet wheel g, thereby locking the
parts together, which now move rigid with the axis, and communicates motion through
the toothed wheel i to the elevating block j, and through its chain to the weight to be
raised, and which load prevented from running back by the pawl k.
On the lowering of the weight, the chain e² is pulled in the reverse direction, when
pressure is relaxed from the acting faces f³, g² of the pinion f, and ratchet wheel g, which
allows the weight to be lowered with any desired velocity, according to the reverse
pull given to the chain, by the faces of the parts being brought more or less into
contact with each other.
Although I have shown in figure 4, the adjacent faces f³, g² of the pinion and ratch
wheel f, g as being separated or divided from each other by a space, yet I wish it to be
understood that the said adjacent faces never actually leave each other when the hoist
is in use.
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 :-
First. The combination of hoist gear or weight raising mechanism of the hoist type,
with a suspended frame, or a pulley block frame, substantially as and for the purpose
herein described and set forth.
Secondly. The improvement in the construction of hoist raising and lowering
mechanism, with a suspended or pulley frame, herein described and illustrated in
figures 1 and 2; consisting of an axis d with bossed ends or collars d d³; and upon
the said axis or shaft, a hoist wheel e, pinion f and ratchet wheel 9 are strung, and
which two former have interposed between their adjacent faces, a clutch or inclined
plane expedient, for the forcing asunder of the parts, so as to bring their outer faces
forcibly against the inner parts of the collars or bosses aforesaid, for raising, and
relaxing the pressure
of the said parts for lowering; the other parts being arranged,
combined and acting in the manner and for the purpose herein described and set
forth.
Thirdly. The combination and arrangement of hoist raising and lowering mechanism,
in, or within, or with a suspended pulley frame, or a pulley block frame, herein
described and set forth in figures 3 and 4 of the accompanying Drawings; that is to
say, a weight raising and lowering device, consisting of hoist wheel axis d, with
screw d* and boss d³; and mounted upon the said axis, is a fixed hoist wheel e, a loose
ratchet wheel g, with face ², and also a toothed pinion f, with screw box f² (through
its middle) and face f³. The elevating block axis has fixed and mounted upon it an
elevating block j, and toothed wheel i, and which said parts aforesaid, are mounted
within a frame a a, provided at top with cross bar b, and swivel suspending hook C₁
substantially as and for the purpose herein described and set forth.