Improvements in Adjustable Supports for Drawing Boards, Reading and Writing Desks.
Year: 1898

page_text: PROVISIONAL SPECIFICATION,
Improvements in Adjustable Supports for Drawing Boards, Reading
and Writing Desks.
I, FREDERICK HASLAM, Cabinet Maker and House Furnisher, of St. James
Square Cabinet Works, Cheltenham, in the County of Gloucestershire, do hereby
declare the nature of this invention to be as follows;-
-
My invention relates to improvements in adjustable supports for drawing
boards, reading and writing desks, which consists of an apparatus to fold up, or
extend the parts for the purpose of placing the board or desk at any angle or
height.
In carrying my invention into practice I construct a suitable base or frame
parts of which are cut into a rack, and at one end of the frame I hinge on each
About central at
side a long sloping bar to which I hinge the board or desk.
the bottom of the sloping bars I hinge a light frame, for the purpose of the
frame engaging with the racks on the base or frame, and on the underside of
the board or desk I hinge another similar frame for the purpose of engaging
with racks cut in the top of the sloping bars.
The board or desk may be adjusted and fixed to any angle or height by means
of the various hinged parts engaging with racks cut in the other parts of the
apparatus.
1
1 Ja of Tune 1898
J. P. BAYLY,
18, Fulham Place, London, W., Agent for the Applicant.
Improvements in Adjustable Supports for Drawing Boards, Reading
and Writing Desks.
1, FREDERICK HASLAM, of St. James' Square Cabinet Works, Cheltenham, in
the County of Gloucestershire, Cabinet Maker and House Furnisher, do hereby
declare the nature of this invention and in what manner the same is to be per-
formed, to be particularly described and ascertained in and by the following
statement:—
My invention relates to improvements in adjustable supports for drawing
boards, reading and writing desks, which consists of an apparatus to fold up, or
extend the parts for the purpose of placing the board or desk at any angle or
height.
And in order that my invention may be thoroughly understood, I now proceed

page_text: to describe the accompanying drawing thereof, reference being had to letters
and figures marked thereon.
Fig. 1, is a front elevation of the desk.
Fig. 2, is a side elevation of the desk.
About
In carrying my invention into practice I construct a suitable base or frame a
parts of which are cut into a rack b, and at one end of the frame a I hinge on
each side a long sloping bar e to which I hinge the board or desk d.
central at the bottom of the sloping bar c I hinge a light frame e, for the purpose
of the frame e engaging with the racks on the base or frame a; and on the
underside of the board or desk d I hinge another similar frame f for the purpose
of engaging with racks g cut in the top of the sloping bars c.
The board or desk d may be adjusted and fixed to any angle or height by
means of the various hinged parts engaging with racks cut in the other parts
of the apparatus. Metallic hooks h and eyes i are provided for fixing the appa-
ratus when folded up or extended.
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-
:
In adjustable supports for drawing boards, reading and writing desks, the com-
bination and arrangement of the various parts, substantially as fully described
in the above specification and illustrated in the accompanying drawing.
Dated this 8th day of November 1898.
J. P. BAYLY,
18, Fulham Place, London, W, Agent for the Applicant.