Improvements in and relating to Appliances for Lifting or Elevating Cut Crops, Fibrous or Granular Material,
Year: 1899

page_text: Date of Application, 24th May, 1899-Accepted, 29th July, 1899
COMPLETE SPECIFICATION,
Improvements in and relating to Appliances for Lifting or Elevating
Cut Crops, Fibrous or Granular Material,
I, HENRY BOAK FLEMING, of Haugh, Kirkliston, Linlithgowshire, Farmer, do
hereby declare the nature of my invention and in what manner the same is to
be performed to be particularly described and ascertained in and by the follow-
ing statement in writing, reference being made to the accompanying drawings:-
This invention has reference to and comprises improvements in and relating
to appliances for lifting or elevating cut crops, fibrous, or granular material,
such as are employed for lifting hay and the like in the building of stacks, or
such like purposes, and which by taking hold of a large quantity at a time will
enable such work to be carried on with great facility.
And in order that my said invention may be properly understood I have
hereunto appended one sheet of explanatory drawings in which Figure 1 shows
a complete appliance in its closed or holding position, and Figure 2 shows the
same in its opened out or discharging position. Figures 3 and 4 are respectively
side sectional and edge views to a larger scale of one form of engaging and
disengaging appliance or hook; while Figures 5 and 6 are respectively a side
view and an edge view partly in section of another form of hook.
As shown in the drawings more particularly in Figure 1 and 2, two frames A
are formed or fitted with hooks or prongs A of which there may be two, or as
shown in dotted lines three, or any desired number. In cases where more than
two prongs are used a special supporting bar A2 shown in dotted lines is
employed. These pronged frames are fitted at their upper ends as a toggle
link A which is connected to an engaging and disengaging appliance or hook B
illustrated to an enlarged scale in Figures 3 and 4 which engages with the pro-
jection C in the arched bar C by which the appliance is secured to the raising
and lowering rope D. The pronged frame A is also suspended from the arched
bar C by cords E or it may be chains, or wires. As indicated at Figure 2,
the appliance may be fitted for lifting granular material by connecting the
prongs A by a plate.
Figures 3 and 4 illustrate to an enlarged scale the engaging and disengaging
hook B shown in Figures 1 and 2. This consists of a frame formed with side
plates B B with an opening between them in which is mounted the trigger
hook B, pivotted on the pin B, and kept in its closed position by the blade
spring B. This frame is bolted to the upper part of the toggle joint by a
holt passing through it and the eyes in the lugs B. The trigger hook B2 has
an eye B to which a cord F, Figures 1 and 2, is secured and which passes
through the guide eye B. Figures 5 and 6 illustrate another form of engaging
and disengaging hook B in which the trigger hook 1 is carried between the
side plates BB and kept in place by a pin 6 passing through slots in the side
plates, an india rubber spring b¹ carried on the stud 3 and pin 4 being employed
to retain it in the closed position. In this case the trigger hook is actuated by
the curved lever to which the cord F is secured by the eye B6 and which is
fulcrumed on the pin B³.

page_text: The action is as follows:-
The appliance is lowered in the open position as shown in Figure 2 until its
prongs A are buried in the hay or other material to be lifted when the rope D
is further slackened and the projection C¹ of the arched bar C is placed in the
recess of the hook B to engage by its eye C2 with the trigger hook B2. The
raising rope D is then raised and the prongs are caused to close by the action
of the toggle link A³. When the appliance with its load is raised to the required
height and position the load is discharged by pulling the cord F which disen-
gages the trigger hook B2 from the bar C and allows the prongs to fly open
when the load falls from them.
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. An appliance for lifting or elevating cut crops, fibrous, or granular
material constructed substantially as herein described and illustrated by the
accompanying drawings.
Second. The construction or general arrangement and combination of the
parts of an appliance for lifting or elevating cut crops, fibrous, or granular
material substantially as herein described and illustrated by the accompanying
drawings.
Third. In an appliance for lifting or elevating cut crops, fibrous, or granular
materials the combination of pronged frames with a toggle link substantially
as herein described and illustrated by Figures 1 and 2 of the accompanying
drawings.
Fourth. In an appliance for lifting or elevating cut crops, fibrous, or granular
materials the construction and use of an engaging and disengaging hook sub-
stantially as herein described and illustrated in Figures 1 to 4 of the accom-
panying drawings.
Fifth. In an appliance for lifting or elevating cut crops, fibrous, or granular
materials the construction and use of an engaging and disengaging hook sub-
stantially as herein described and illustrated more particularly by Figures 5
and 6 of the accompanying drawings.
Dotad 4109] 1000
Dated the 23rd May 1900.
W. R. M. THOMSON & Co.,
96, Buchanan Street, Glasgow, Agents.