Automatic Collapsible Cupboard Baths.
Year: 1891

page_text: Date of Application, 1st Dec., 1891
Complete Specification Left, 1st Sept., 1892-Accepted, 1st Dec., 1892
PROVISIONAL SPECIFICATION.
Automatic Collapsible Cupboard Baths.
I, HENRY HIRAM STEERE PEARSE Architect of 1 Clements Inn Strand
London do hereby declare the nature of this invention to be as follows :—
A method of constructing jointed collapsible baths with lever attachments_by
which the component sections may be depressed or raised simultaneously. The
principle on which these baths are designed somewhat resembles that of a telescopic
drinking cup the upper sections being made to slide either inside or outside the
lower sections. The foot of the bath would be fastened to the door or movable
part of a cupboard or recess into which it is intended to fit when closed. The
upper sections would be connected at each end with jointed rods or levers the end
of one rod being fastened to the framing and the whole would work on the principle
of compensating angles like "lazy tongs." Thus the parallelogram enclosed by
four arms of the compound lever would be shortened on one diagonal as it was
lengthened on the other and consequently the bath would expand or collapse in its
vertical direction automatically by the simple action of opening or closing the
cupboard door to which it is attached. This door or flap when opened would rest
on the floor with the bath in proper position for use on it. In the case of long
baths additional supports might be given at the sides by a contrivance of sliding
bars and elbow-jointed levers raised or lowered by stops & slots and also moving
automatically in concert with the opening or closing of the flap. The joints
between sections of the bath would be rendered watertight by india rubber fillets
or other clastic material suitable for the purpose. Water could be supplied by
ordinary means and waste water (in the case of large fixed baths) would be
discharged through a trough in the recess into which the bath fits when closed.
The cupboards could be either fixed or portable (they could even be adapted in
the form of flat boxes for travelling purposes) and of any required dimensions.
The special features for which originality is claimed are (1) The construction of
baths for rooms where economy of space is desirable and for which the ordinary
form might not be suitable (2) The application to purposes above described of
mechanical principles and the arrangement of levers pivots & telescopic vertical
sections of the bath whereby the latter are raised or lowered automatically by the
mere act of opening or closing the cupboard.
Dated this 30th dor of Nazombor 1891
HENRY H. S. PEARSE.
COMPLETE SPECIFICATION.
Automatic Collapsible Cupboard Baths..
HENRY HIRAM STEERE PEARSE of Imperial Chambers 3 Cursitor Street
Chancery Lane E.C. (late of 1 Clements Inn Strand W.C.) Architect, do hereby
declare the nature of this invention and in what manner the same is to be
performned, to be particularly described and ascertained in and by the following
statement:-
The nature of the invention is a method of constructing jointed collapsible baths
of any ordinary shape and size with lever-attachments by which the component
sections may be compressed or expanded simultaneously.
The baths instead of being constructed of rigid metal throughout are intended
to be formed in two or more vertical sections as shewn in the accompanying
diagram (Appendix page 4). These sections which may be of metal, canvas, india-
rubber or other suitable material are arranged somewhat on the principle of
Γ'
3
:.

page_text: telescopic drinking cups-the upper sections to slide either inside or outside the
lower sections the joints being made water-tight by fillets of india-rubber or
other elastic material suitable for the purpose. The bottom of the bath would be
fastened to the door or hinged-flap of a recess, cupboard or box. The top section
would be connected by pivots with jointed rods or levers (A. B. C. B. C. Fig. 1).
One end (A) of the principal rod or joint of the lever (A. B. Fig. 1.) would be
fastened to the wooden framing and the whole compound-lever would work on the
principle of compensating angles or "parallel motion "like "lazy tongs." Thus the
parallelogram enclosed by four arms of the compound lever (B. C. B. C. Fig. 1
on diagram Sheet 1 annexed) would be shortened on one axis as it lengthened on
the other as indicated by dotted lines on Fig. 1 and the bath would expand or
collapse in its vertical direction automatically by the mere action of opening
or closing the cupboard door or flap (e. y.) to which it is attached and which when
open would rest on the floor with the bath in proper position for use on it. In the
case of full-length baths the main levers would be at each end but, in order to give
additional support and stiffness auxiliary levers and rods (D. E. F. Dx, Figures 1.
and 2.) might be placed below the bath with vertical cross-levers (G. H. I. K.,
Figures 1 and 3.) attached to them and these would work by cam-ferrules (at D.
Figures 1 & 2.) on a rod forming the hinge for door or flap or by tension on fixed
pivots (as in diagram, A. b. A. b, Figures 4. 5. & 6 Sheet 2) automatically and in
concert with the main levers.
Note. Figure 1 Sheet 1 shows end of bath and main lever in elevation.
Figure 2 shows auxiliary lever for large bath in plan.
Figure 3 shows vertical cross-levers for auxiliary support in elevation.
The baths might be either fitted to cupboard-recesses (as indicated in diagram
Figure 1. Sheet 1.) with water supply waste-pipes &c., or portable in the form of
small cupboards or boxes for travelling purposes, and of any required dimensions.
For small round or oval baths the main levers above described (A. B. C. B. C.
Figure 1) might be dispensed with and the so-called auxiliary lever (D. E. F. D*,
Figure 2., or A. b. E. F. d. Figures 4 & 5., with either the vertical cross-lever
arrangement indicated in Figure 3 or that shewn in Figures 4 & 6.) would then
become the main mechanism for imparting automatic motion. For the small baths,
shewn on Sheet 2., with tension rods A. b. and fixed pivots A., it would be necessary
to have stiff elbows at d. d. d. d. on the upright arms of which at b. b. b. b. the
cross-levers b. c. b. c. would move freely about their joints actuated by the tension
rods A. b. and sympathetically by the other rods attached thereto. Thus when
the cupboard door c. y. was closed the joints d. d. would be moved apart drawing
down the cross-levers and the upper section of the bath would collapse but when
the door was opened as shewn in Figure 4 the contrary would take place.
Note. The diagrams on Sheet 2 show the mechanism for a small bath.
Figure 4. shows the bath in elevation.
Figure 5. shows automatic lever in plau.
Figure 6. shows vertical cross-lever &c. in elevation.
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
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 15
Originality in the application to purposes above described of the mechanical
principle for transmitting notion whereby the baths are inade to collapse or
expand automatically so that they occupy little space when the cupboards are
closed.
D
HENRY H. S. PEARSE,
Imperial Chambers, 3, Cursitor Street, Chancery Lane, E.C., Architect.