Year: 1888

page_text: Date of Application, 4th July, 1888
Complete Specification Left, 6th Mar., 1889
Complete Specification Accepted, 6th Apr., 1889
I EDMUND TONKS of the firm of William Tonks and Sons of Moseley Street
Birmingham in the County of Warwick Manufacturers do hereby declare the nature
of this Invention to be as follows:-
My invention consists in constructing and combining the parts of book or music
stands or desks in the manner herein after described whereby the said stands or desks
are made very efficient in action and convenient in use.
Instead of making the pillar or upright of the stand upon which the tubular
socket or slide carrying the horizontal arm works cylindrical as usual I make the
said pillar or upright and the slide working thereon of a figure in cross section
somewhat resembling the letter D the D shaped pillar being fixed near one edge of
the foot of the stand so that the flat face of tho said pillar is turned towards or
presented to the said foot. Instead of giving the pillar and slide the D shape
described they may be made of other equivalent sectional figures for example tho
part of the pillar or slide joining the flat face may be angular instead of curved.
By this combination of parts the weight of the horizontal arm carrying the inclined
rest or desk is brought over the foot of the stand and the stability of the stand
thereby ensured. The leverage of the horizontal arm of the stand tends to bind the
tubular slide upon the pillar but for greater security the tubular slide may be fixed
in its adjusted position on the pillar by means of a set screw passed through the
slide the end of the set screw bearing against the flat face of the pillar. The desk
or book rest is made capable of swivelling in a horizontal plane upon the end of the
principal arm of the pillar by means of a pivot on the back of the desk or rest
working in a socket on the extreme end of the said arm and the inclination of the
desk or rest may be adjusted by supporting it upon a toothed sector or quadrant or
portion of a worm wheel with which sector or worm wheel a worm gears the said
worm being carried by the pivot on which the desk or rest oscillates. By turning
the worm in one or other direction the inclination of the desk or rest may be
adinsted

page_text: The book or music is held securely upon the desk or rest by means of an elastic
hand engaged in cross slots at the en1 of the desk or rest.
My invention consists further in combining with the horizontal arm of the stand
a sconce or candiu holder constructed as follows:-The sconce or candle holder is
supported on the outer end of an arm the inner en 1 of which is jointed to a tubular
slide working on the principal arm of the stand. By means of the said slide the
sconce or candle holder can ho adjusted at any desired position on the principal arm
and by means of the jointed arm carrying the sconce or candle holder the latter can
be arranged at pleasure on one or other side of the principal arm.
I prefer to make the horizontal or principal arm of the stand and the slide of the
sconer arm of the sectional figures hereinbefore described with respect to the pillar
or upright and its tubular slide.
W. T. WHITEMAN,
Agent for the Applicant.

page_text: I EDMUND TONKS of the firm of William Tonks and Sons of Moseley Street.
Birmingham in the County of Warwick Manufacturers do herely 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 following statement :—
My invention consists in constructing and combining the parts of book or music
stands or desks in the manner hereinafter described, whereby the said stands or desks
are made very efficient in action and convenient in use.
Instead of making the pillar or upright of the stand upon which the tubular socket
or slide carrying the horizontal arm works cylindrical as usual I make the said
pillar or upright and the slide working thereon of a figure in cross section somewhat
resembling the letter D the D shaped pillar being fixed near one edge of the foot of
the stand so that the flat face of the pillar is turned towards or presented to the
said foot.
By this combination of parts the weight of the horizontal arm carrying the inclined
rest or desk is brought over the foot of the stand and the stability of the stand
thereby ensured. The leverage of the horizontal arm of the stand tends to bind the
tubular slide upon the pillar but for greater security the tubular slide may be fixed
in its adjusted position on the pillar by means of a set screw passed through the slide,
the end of the set screw bearing against the flat face of the pillar. The desk or book
rest is made capable of swivelling in a horizontal plane upon the end of the principal
arm of the pillar by means of a pivot on the back of the desk or rest working in a
socket on the extreme end of the said arm and the inclination of the desk or rest may
be adjusted by supporting it upon a toothed sector or quadrant or portion of a worm wheel
with which sector or worm wheel a worm gears the said worm being carried by the
pivot on which the desk or rest oscillates.
By turning the worm in one or other direction the inclination of the desk or rest
may be adjusted.
The book or music is held securely upon the desk or rest by means of an elastic
band engaged in cross slots at the ends of the desk or rest.
My invention consists further in combining with the horizontal arm of the stand
a sconce or candle holder constructed as follows:-The sconce or candle holder is
supported on the outer end of an arm the inner end of which is jointed to a tubular
slide working on the principal arm of the stand. By means of the said slide the
sconce or candle holder can be adjusted at any desired position on the principal arm
and by means of the jointed arm carrying the sconce or candle holder the latter can
be arranged at pleasure on one or other side of the principal arm.
I prefer to make the horizontal or principal arm of the stand and the slide of the
sconce arm of the sectional figures hereinbefore described with respect to the pillar
or upright and its tubular slide.

page_text: Figure 1 represents in front elevation; Figure 2 in plan and Figure 3 in sido
elevation a book or music stand or desk constructal according to my invention to he
supported on a table but by lengthening the pillar or upright of the stand it may bo
supported on the floor of the room; Figure represents portions of the stand partly
in elevation and partly in vertical and horizontal soction; Figuro 5 reprosonts n
portion of my invention applied to a book or music stand or desk to be affixed to the
back of a chair or other support.
The same letters of reference indicate the same parts in the several Figures of the
Drawings.
a is the pillar or upright of the stand and is the tubular socket or slide carrying
the horizontal arm d on which the inclined rost or desk is supported as hereinafter
described is the fout of the stand to which the pillar or upright a is connected
preferably by screwing in the manner represented in Figure 4. The said foot is
preferably triangular or tripod and branched and the branchod or broadest part of the
foot has the position with respect to the horizontal arm & represented in the
Drawing. The pillar a and the slide working thereon live the figures represented
in cross section in Figure 4, that is, the pillar and slido have a shape somewhat
resembling the letter D so that the said slide is incapable of turning on the pillar, the
flat side of the pillar and slide being turned or presented to the branched or broadust
part of the tripod foot. It will be seen by an examination of the drawing that the
weight of the horizontal arm and parts supported by it is mainly situated over the
branched or broadest part of the foot of the stand, thoroby ensuring stability in
the said stand. When however heavy books or articles are to be supported on the
desk e the branches of the foot may be made longer than represented.
As the leverage of the horizontal arm & tends to bind the tubular slide upon the
pillar a a set screw need not be used with the slide but for greater security I prefer to
use a set screwg passed through the slide the end of the said scrow bearing against
the flat face of the pillar a The desk or rest has screwed to its hack the pivot h
which takes into thu tubular socket at the end of the horizontal arm d. Upon the
pivot the desk or reste is capable of swivelling in a horizontal plane as indicated in
dotted lines in Figure 2.
The mechanism for adjusting the required inclination of the desk or stand e consists
of the following parts.
The bracket on the underside of the desk or stand carries a toothed sector or
quadrant or portion of a worm wheel having inclined teeth 1. The said toothed suctor
or quadrantis proferably made in ono picco with the bracket k carrying it. The
pivot on which the desk can move horizontally is forked at its upper end and is
jointed at to the sector or quadrant 1. The sector or quadrant / can thus turn on
the joint in a vertical plane. Working in the pivot is a worm m turned by a
milled head the said worm gearing with the toothed sector or quadrant 1. By
turning the worm m in one or other direction the inclination of the desk or rust e may
be adjusted as will be understood by an examination of Figures 1 and 3.
P, Pare cross slots at the ends of the desk e in which slots an elastic band り is
engaged. By means of the band 7 the book or music can be held securely upon the
desk or rest.
is thu adjustable sconce or candle holder combined with the horizontal arm & the
said sconce or candle holder being carried by the short arms jointed to tho slide ton
the principal arm d. The principal arm and the slide working thereon have
preferably the same configuration in cross section as the upright and slido a, b, that
is, of a D shapo but I do not limit myself to giving the said parts that sectional figure.
By moving the slide t upon the horizontal arm d the position of the sconce or candle
holder can be adjusted and by moans of the jointed arms carrying the sconce or
candle holder the latter can ho arranged at pleasure either on one or other side of
the principal arm d as shown in Figure 2 where the candle holder is represented in
full lines on one side of the arm d and is indicated in dotted lines turned on the other
side of the said arm d.
}'

page_text: The mechanism for adjusting the inclination of the desk or reste may be applied to
book or music stands or desks of various kinds. Figure 5 represents the said
mechanism applied to a desk or rest to be attached to the back of a chair, wall
bracket or other support. In this case the horizontal arın u turns in the socket u
secured to the back of the chair and the pivot h by which the desk or rest e is
carried turns in a socket ut at the other end of the arm u for adjusting the horizontal
position of the said rest. The mechanism for adjusting the inclination of the desk e
is constructed as hereinbefore described and the parts are marked with the same
letters of roference.
Instead of giving the pillar and slide a band the horizontal arm d and the slide t
the shape described and represented they may be made of other equivalent sectional
figures; for example, the part of the pillar or arm joining the flat face may be
angular instead of curved.
Having now particularly described and ascertained the nature of my invention
and the manner in which the same is to be performed I declare that I claim as my
invention of "Improvements in book or music stands or desks"
First Making the pillar or upright and horizontal arm and their slides of such
configuration that the said slides cannot turn upon the said pillar or upright and
arm for the purpose and substantially as heroinbefore described and illustrated in
the accompanying Drawings.
Secondly The construction and combination of the parts substantially as herein-
before described and illustrated in the accompanying Drawings for adjusting the
inclination of the desk or rest.
Thirdly The combination with the horizontal arm of the stand or desk of a sconce
or candle holder jointed to a slide adjustable on the said horizontal arm substantially
as herein before described and illustrated in the accompanying Drawings.
Datod the Fourth day of March 1889.