A Novel or improved Garden Frame.
Year: 1897

page_text: Date of Application, 10th Nov., 1897
Complete Specification Left, 10th Aug., 1898-Accepted, 24th Sept., 1898
A Novel or improved Garden Frame.
I, ROBERT JOIN KNAGGS, of Whorlton, in the County of Durham, Gardener, do
hereby declare the nature of this invention to be as follows:-
-
This invention relates to the construction of a portable garden frame or plant
protector for protecting plants, flowers, fruit, seed, and the like articles in variable
climates, and has special reference to the ventilating and accessible arrangement
thereof.
The object in view is to design a simple and cheap structure in which ventilation
and ready access to the plants or the like articles is provided for, combined with
portability, neatness, and stability of construction.
A garden frame constructed according to my invention consists of the ridge,
sides and ends of wood held together by angle iron or tee iron spandrils spaced
at suitable distances apart. The roofing glass is secured in grooves formed in
and extending the full length of the ridge and caves. The eaves consist of strips
of zinc fixed to the sides of the frame and having their lower edges turned up to
form two grooves into which the glass is placed. Every alternate square of glass
rests in the bottom groove and the intermediate square of glass rests in the top
groove so that by sliding the glass along the said grooves, openings are formed
in the roof for ventilation and access to the plants. In the case of small frames
the double grooved arrangement could be dispensed with, the squares of glass
abutting together without overlap, but free to be drawn along the grooves.
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Oil 1
1007
I, ROBERT JOHN KNAGGS, of Whorlton, in the County of Durham, Gardener, 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 relates to the construction of a portable garden frame or plant
protector or propagating case for protecting plants, flowers, fruit, seed, and the
like articles in variable climates, and has special reference to the ventilating and
accessible arrangement thereof.
The object in view is to design a simple and cheap structure in which ventilation
and ready access to the plants or the like articles is provided for, combined with
portability, neatness, and stability of construction.

page_text: And in order that my invention may be clearly understood and readily carried
into effect, I will proceed to describe the same with reference to the annexed sheet
of drawings, in which Fig. 1 is a transverse sectional view and Fig. 2 a corre-
sponding side elevation of a portable garden frame or plant protector constructed
in accordance with my invention. Fig. 3 is an enlarged detail view of the zinc
caves forming the double grooved arrangement into which the glass is placed.
Fig. 4 is a transverse section of a larger sized frama fitted with an intermediate
double grooved arrangement in which the upper row of glass is on the double
grooved principle and the lower one on the single grooved principle, the edges
of the lower row of glass abutting together.
In the drawing a represents the ridge, bb the sides and cc the ends of the garden
frame preferably of wood and held together by the angle iron or tee iron
spandrils ddd spaced at suitable distances apart. In these respects the garden
frame is of ordinary construction, the precise form indicated by the drawing being
given for the purpose of illustration only, and the essential feature of the invention
consists in the means provided for sliding the sheets of glass along the roof in the
manner hereinafter described. The sheets e¹ e² of the roofing glass are secured in
grooves ff2 formed in and extending the full length of the ridge a and eaves f.
To effect this, the eaves consist of strips of zinc which are fixed to the sides of the
frame and have their lower edges turned up returned and turned up again to form
a double groove f f and corresponding to a similar but inverted double groove
running along the ridge the arrangement being adapted for the accomodation of
over lapping sheets of glass. Every alternate sheet of glass el rests in the bottom
or inner groove f¹ and the intermediate sheet of glass rests in the top or outer
groove f2, i.e., overlapping each other so that by sliding the glass along the said
grooves, openings such as e³ are formed in the roof for ventilation and access to
the plants. In the case of small frames the double grooved arrangement could be
dispensed with, the sheets of glass abutting together without overlap, but free
to be drawn along the grooves.
On the other hand and referring to Fig. 4, in the case of large frames or frames
of wider spans, I prefer to use an intermediate ledge g with the same double groove
arrangement as provided in other cases along the eaves and ridge only as illustrated
in Fig. 3. But where the double grooved arrangement is used the returned
edge is provided to run between grooves, otherwise the inner sheet of glass is
liable to slip into the top or outer groove intended for the outer sheet of glass
only. When this arrangement is provided at some intermediate position between
the ridge a and eaves f, the double grooved arrangement g is secured to a cross
bar h of wood. This arrangement admits of the upper row of glass being on the
double groove principle and the lower row on the single groove principle, with
the edges of the lower row of glass abutting together.
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:
A portable garden frame or plant protector the eaves, ridges and intermediate
ledges of which are furnished with grooves of zine or other similar metal into
which the glass is placed so that by sliding the glass along the said grooves,
openings are formed in the roof for ventilation, and access to the plants, all arranged
and operating substantially as and for the purpose as herein before described and
illustrated in the accompanying drawing.
Dated this 9th day
1000
G. J. CLARKSON,
Chartered Patent Agent.
Stockton-on-Tees and Hull, Agent for the Applicant.