Improvements in Music Stools and other Stools or Seats.
Year: 1886

page_text: Improvements in Music Stools and other Stools or Seats.
We, ELLIS PARR, of Long Lane, in the City of London, Merchant, and CHARLES
HENRY HARE, of Aston New Town, Birmingham, Manufacturer, do hereby declare
the nature of our Invention and in what manner the same is to be performed,
to be particularly described and ascertained in and by the following statement and
accompanying drawing (that is to say):―
This invention relates to music or other stools or seats in which it is required
that the seat should be capable of being raised or lowered to any desired height to
suit the convenience of the person using it; and it has for its object improvements
by which such seats are made simpler, cheaper, and more easily raised and lowered
as required than has heretofore been the case.
In the accompanying drawing figure 1 is a four legged music stood constructed
according to our invention, and figure 2 represents a somewhat modified form of
the same stool. The same letters of reference indicate the same parts in both
figures.
a is a seat of any desired shape and material which may be made as ornamental
as desired, to the bottom of which at or near the centre is fixed a metal screw e of
sufficient strength. Fixed to the bottom of the seat are also four vertical, parallel
bars or supports c, c, c², ca, which fit freely into an equal number of vertical hollow
Bockets or tubes b, b1, b2, 6ª so that they can slide telescopically up and down in
the latter when desired.
The hollow tubes b, 61, 62, 63, last described are attached firmly together by u
Bufficient number of stays or supports d and their ends which rest upon the ground
may be provided with castors (not shewn in the drawing). Across the upper ends
of the hollow tubes b, 61, 62, 63, are fitted and fixed crossbars f, f¹, in such a manner
that the screw attached to the seat a as described passes down through openings
left through their centres and through a tangent toothed wheel (as shewn at g in
figure 1), which fits and can turn freely, between them. This wheel 9
internal screwed thread fitting upon the screw e so that when the wheel is made to
revolve the screw e is caused to rise and fall as desired carrying with it the seat a
which is guided and steadied by the bars e fitting in the tubes b.
has an
A shaft h having a handle i at one end and provided with an endless screw gearing
with the wheel g is also arranged so as to turn in bearings carried by the bars f, ƒ³,
so that by turning the handle i the wheel g is revolved and the screw e raised or
Jowered
•

page_text: In figure 2 the wheel g is shewn having bevilled teeth operated by a corresponding
bevilled toothed pinion upon the shaft h.
When it is desired to raise or lower the seat the handle his turned in the required
direction and the shaft with its gear at the inner end will revolve, the screw e
being thus forced up or down as desired and carrying the seat a with it..
It is evident that the height may be altered without the person using it leaving
the seat, and may be adjusted with the greatest exactness.
The precise form and arrangement of mechanism described and shewn for
operating the screw e may be varied to suit different circumstances. For instance,
the screw e may pass down through the screwed centre of a wheel of wood or other
material of convenient dimensions by turning which by hand the screw can be
operated direct without the intervention of any toothed wheels.
The upper ends only of the tubes b need be parallel, the lower parts being curved
or made to spread out, and the different parts may be made as ornamental as
desired.
Instead of four any desired number of legs b and bars c may be used.
Having now particularly described and ascertained the nature of our said
Invention, and in what manner the same is to be performed, we declare that what
we claim is:-
1. The combination of the seat a, tubes b, bars c, screw e and wheel g connected
together. and operating substantially as and for the purpose described and shewn in
the drawing.
2. The combination of the wheel g, shaft h carrying an endless screw or bevilled
toothed wheel, and handle i, for the purpose of raising and lowering the screw e
and seat a substantially as described and shewn.