Improvements in Stair-rod Ends and Fasteners.
Year: 1889

page_text: Date of Application, 9th Sept., 1889
Complete Specification Left 6th May. 1890-Accepted. 14th June. 1890
PROVISIONAL SPECIFICATION.
Improvements in Stair-rod Ends and Fasteners.
I, WILLIAM FITZJOHN CRISP of Waynflete Whetstone in the County of Middlesex
Gentleman do hereby declare the nature of this invention to be as follows:-
.
For Stair Rod Fasteners I take ordinary brass fasteners of the rigid eye type and
cut away the substance of the eye next to either leg of the fastener in order that the
stair rod may be dropped or thrust into position and removed therefrom without
being passed backwards and forwards through the eye in the usual way-When an
ordinary brass stair rod fastener has been treated as above described it may be found
desirable to modify the design of the part remaining the better to provide for stability
and fixing.
Fig. 1 on the annexed drawing is a sketch of an ordinary brass stair rod fastener
of the rigid eye type.
Figs. 2 and 3 are sketches of the same with a portion of the eye cut away or
removed.
•
Figs. 4 and 5 are sketches of an open fronted fastener.
Figs. 6 and 7 are sketches of fasteners without a return leg.
Such fasteners are intended for use with ordinary brass cased flush ended rods or
with rods fitted with ends or knobs as hereinafter described. They may be used in
pairs fixed horizontally or inverted or in pairs one of which may be fixed horizontally
the other inverted or they may be paired with fasteners of the rigid eye type.
The object of my above described improvements in stair rod fasteners is to render
the use of wide stair carpeting as easy in practice as the use of narrow stair
carpeting.
The nature of my invention so far as it affects stair rod ends is as follows:-To the
ordinary brass cased stair rods intended for use in combination with fasteners made
as above described I attach brass ends or knobs with a shoulder somewhat larger in
diameter than the rod-I do this in order to prevent accidental lateral displacement
of the rod and to render the use of rods having proportionately little projection beyond
the fasteners (consequent upon the use of wide stair carpeting) as safe in practice as
rods with the usual projection.
Dated this Oth dov of Santambar 1889
COMPLETE SPECIFICATION.
Improvements in Stair-rod Ends and Fasteners.
I WILLIAM FITZJOHN CRISP of Waynflete Whetstone in the county of Middlesex
Gentleman do hereby declare the nature of this invention and in what manner
the same is to be performed, to be particularly described and ascertained in and by
the following statement :-
This invention has reference to means for facilitating the reception retention and
removal of stair rods on staircases where the usual right and left end on motion of the
rod is either impossible or undesirable.
That part of the arrangement which is usually described as a fastener consists of a
rigid spur on, or combined with, a sole plate, with the upper half of the spur curved
inwards or made hook-like to form a seating for the stair rod when occupying its
normal position under stress due to strained stair covering.
In operation, a rod when held approximately in position has one extremity pressed
smartly against the stair covering adjacent to the curved termination of the spur, an
almost simultaneous downward motion carries that extremity of the rod into the

page_text: fastener; similar motions are applied to secure the other extremity; to release the
rod each extremity in turn is pressed smartly as before and upwards.
The remaining part of the arrangement is usually described as a stair rod end. In
this invention the end is made with a projecting shoulder which operates to prevent
the accidental release of the rod (when moved end on to the right or left) by coming
into contact with the side of the spur of the fastener.
Fasteners as above described may be used with an ordinary flush ended rod; they
may also be inverted and so fixed.
In the annexed two sheets of drawings my invention is illustrated under several
forms :
Figs. 1 to 5 inclusive indicate designs for fasteners of cast metal,
Figs. 6 to 9 inclusive fasteners of rolled metal; ends with projecting shoulders are
shown as parts of Figs. 1, 6 and 8.
Like letters indicate similar parts in all the figures.
a surface of tread.
a¹, surface of riser.
b, a horizontal dimension equal to diameter of rod plus an allowance for stair
covering measured under compression.
c, a vertical dimension equal to half the diameter of rod plus the thickness of stair
covering.
D, plan D¹, front elevation and D¹¹, side elevation of fastener.
sole plate.
rounded angle of sole plate to enable fastener to be rotated into position after
being partially fixed.
f, root of spur.
f, curved termination of spur.
g, front elevation of extremity of rod.
g', section of rod drawn as if upheld in its normal position under stress due to
strained stair covering.
h, ordinary flush end.
h', end with projecting shoulder.
h", projecting shoulder.
Having now particularly described and ascertained the nature of my said Inven-
tion, and in what manner the same is to be performed, I declare that what I
claim is:
1. Providing a stair rod fastener consisting of a rigid spur on, or combined with, a
sole plate, the upper half of the spur being curved inwards or made hook-like to
retain the stair rod which is to be admitted and released by momentary compression
of the stair covering adjacent to the curved termination of the spur.
2. The several fasteners substantially as herein before described and illustrated by
Figs. 1 to 9 inclusive in the two sheets of drawings annexed.
3. A stair rod end with projecting shoulder.
4. The stair rod ends substantially as hereinbefore described and illustrated in parts
of Figs. 1, 6 and 8.
Dated this First day of May 1890.