close

Вход

Забыли?

вход по аккаунту

?

Патент USA US2405044

код для вставки
Jul}? 30» 1945a
In, MONTALVQ
2,405,644.
_\ MAGNETIC MEANS FOR KEEPING UMBRELLA$ CLOSED
Filed Feb‘, 14-, 1945
ll'17
.||1
'
E 5., 3.
.INVENTOR.
LEONILO NoNTAu/o
BY
.
‘Mm
Patented July 30, 1946
2,405,044
UNITED STATES PATENT OFFICE
2,405,044
MAGNETIC MEANS FOR KEEPING
UMBRELLAS CLOSED
Leonilo Montalvo, New York, N. Y.
Application February 14, 1945, Serial No. 577,892
10 Claims.
(01. 135-44)
2
This invention relates to new and useful im
provements in umbrellas, and has more particu
lar reference to magnetic means for keeping um
metallic rest ring 29 is mounted around the stick
22. The ribs II will be attracted by the magnet
brellas closed.
rest ring 29.
27 and will be drawn against the nonmagnetic
More speci?cally, the invention proposes mag 6
In Figs. 2 and 3 still another embodiment of
netic means for holding the ribs of the umbrella
the invention has been disclosed in which a bush
when in a closed position, close to the stick of
ing 30 of non-magnetic material is slidably
the umbrella.
mounted on the stick 3| slightly above the top
The dominating purpose of this invention is
ends of the ribs ll. Resilient means is provided
to hold the ribs of an umbrella closed, when the
for urging the bushing 30 into a down position.
umbrella is closed to avoid the nuisance of hav
This resilient means comprises an expansion
ing the ribs tend to open.
spring 32 coaxially mounted about the stick 3|
The basic invention consists in the use of mag
and acting between a collar 33 ?xedly mounted
netism to cause a relative attraction of the ribs
and the stick of the umbrella. This may be ac 15 on the stick 3i and the top end of the bushing
30. The bushing 3i! is forced against a rest collar
complished in many ways, for example by placing
34 ?xedly mounted on the stick 3i below the
a piece of natural magnet, or a small arti?cial
magnet (magnetized magnetic substance) either
inside or outside of the stick. A small band,
plate, ring or wire of magnetized steel, or of other
bushing 30.
A plurality of latches 35 are vertically slidably
mounted in the bottom of the bushing 30 and
when in their down positions engage outside of
the ends of the ribs H for holding the ribs from
suitable magnetic substances may be placed
around the stick. This magnet will attract the
ribs if they are made of iron, steel or other mag
moving outwards. Each latch 36 connects with
netic material.
a tubular portion 31 which is slidably mounted
If the ribs are not of magnetic
material, attraction may be obtained by placing 25 in bores 38 in the bushing 30. Expansion springs
a small piece of iron, steel or other magnetic
39 act to urge the tubular portions 37 upwards,
substance on, or in the tips of the ribs. This
magnetic substance may be in the nature of a
small band, a plate, a cap, or may even be incor
porated in powdered form.
Another object of the invention is the construc
tion of an article as mentioned which is simple
and durable and which may be manufactured and
sold at a reasonable cost.
and thus act to retract the latches 35. A groove
40 is formed in the bottom face of the bushing
30 into which the latches 36 may engage.
80 Magnetic means is provided for moving the
latches
downwards whenever the ribs H are
positioned beneath the latches.
This magnetic
means comprises a plurality of bar magnets 42
mounted within the tubular portions 31 of the
For further comprehension of the invention, 35 latches 36.
and of the objects and advantages thereof, ref
The operation of this form of the invention
erence will be had to the following description
is as follows:
and accompanying drawing, and to the appended
In Figs. 2 and 3 the umbrella is shown in its
claims in which the various novel features of the
closed position. Before the umbrella may be
invention are more particularly set forth.
40 opened it is necessary that the bushing 30 be
In the accompanying drawing forming a ma
manually moved upwards so that the latches 36
terial part of this disclosure:
are lifted above the tips of the ribs l I.
Fig. 1 is a fragmentary sectional view of an
Now the umbrella may be opened. The bush
umbrella constructed in accordance with this in
ing
3!! is now released and the spring 32 will
vention.
45 move it downwards on the stick 3! until it engages
Fig. 2 is another fragmentary sectional view
against the rest ring 34. Because the ribs I l are
of an umbrella embodying another form of the
no longer beneath the bar magnets 42, the latches
invention.
36 will be in raised, inoperative positions. The
Fig. 3 is a fragmentary elevational view looking
springs 39 raise the latches 35.
in the direction of the line 3--3 of Fig. 2.
60
When the umbrella is closed the tips of the
In Fig. 1 a form of the invention has been
ribs i! will assume positions beneath the mag
shown in which the umbrella, has a wooden stick
nets 42 which immediately move towards the ends
25 formed with a bore 26 into which a bar mag
of the ribs ! i and thus close the latches 35. Now
net 21 is engaged. The bore 26 is closed by a,
knob or handle 28. A wooden or other non 55 the ribs ll cannot open, for two reasons. First,
they are being held by the magnets 42, and more
aaoaoee
3
4
over, the latches 36 are in their operative posi
tion‘s.
While I have illustrated. and described the pre
ferred embodiments of my invention, it is to be
understood that I do not limit myself to the pre
cise constructions herein disclosed and the right
is reserved to all changes and modi?cations com
ing within the scope of the invention as de?ned
in the appended claims.
means for holding said latches in raised inoper
ative positions, and magnetic means for moving
said latches downwards whenever said ribs are
claim as new, and desire to secure by United
above said ribs, resilient means for holding said
positioned beneath said latches, said ?rst named
resilient means comprising a spring coaxially
mounted on said stick and acting between a sta
tionary collar and said bushing.
8. In combination with an umbrella having a
stick and ‘ibs positioned around said stick, a
Having thus described my invention, what I 10 bushing slidably mounted on said stick slightly
States Letters Patent is:
bushing in a down position, latches for holding
said ribs from moving outwards and slidably
1. In combination with an umbrella having a
mounted on the bottom of said bushing, resilient
stick and ribs positioned around said stick, mag
netic means for keeping said ribs close to said 15 means for holding said latches in raised inopera
tive positions, and magnetic means for moving
stick,
said latches downwards whenever said ribs are
2. In combination with an umbrella having a
positioned beneath said latches, said second
stick and ribs positioned. around said stick, mag
named resilient means comprising springs coax
netic means for keeping said ribs close to said
stick, comprising magnets and cooperative mag 20 ially mounted on tubular portions connected with
said latches for urging said tubular portions and
netic substances.
thus the latches upwards.
3. In combination with an umbrella having a
9. In combination with an umbrella having a
stick and ribs having outer ends of magnetic
stick and 'ibs positioned around said stick, a
material and positioned around said stick,
magnetic means for keeping said ribs close to 25 bushing slidably mounted on said stick slightly
above said ribs, resilient means for holding said
said stick, comprising a magnet mounted on said
bushing in a down position, latches for holding
stick and capable of attracting and holding the
said ribs ‘from moving outwards and slidably
ends of said ribs.
mounted on the bottom of said bushing, resilient
ii. In combination with an umbrella having a
stick and ribs having outer ends of magnetic ma ~50 means for holding said latches in raised inopera
tive positions, and magnetic means for moving
terial and positioned around said stick, magnetic
said latches downwards whenever said ribs are
means for keeping said ribs close to said stick,
positioned beneath said latches, said second
comprising a magnet within said stick and capa“
named resilient means comprising springs co
bio of attracting said ribs.
axially mounted on tubular portions connected
5. In combination with an umbrella having a
with said latches for urging said tubular por
stick and ribs having outer ends of magnetic
tions and thus the latches upwards, and said
material and positioned around said. stick, com
magnetic means comprising bar magnets mounted
prising a magnet within said stick and capable
in said tubular portions.
of attracting said ribs, and a rest ring mounted
10. In combination with an umbrella having a
on the stick against which the ribs may engage. 40
stick and ribs positioned around said stick, a
6. In combination with an umbrella having a
bushing slidably mounted on said stick slightly
stick and ribs positioned around said stick, a
above said ribs, resilient means for holding said
bushing slidably mounted on said stick slightly
bushing in a down position, latches for holding
above said ribs, resilient means for holding said
said ribs from moving outwards and slidably
45
bushing in a down position, latches for holding
mounted, on the bottom of said bushing, resilient
said ribs from moving outwards and slidably
means for holding said latches in raised inopera
mounted on the bottom of said bushing, resilient
tive positions, and magnetic means for moving
means for holding said latches in raised inoper
said latches downwards whenever said ribs are
ative positions, and magnetic means for moving
said latches downwards whenever said ribs are 50 positioned beneath said latches, said second
named resilient means comprising springs coax
positioned beneath said latches.
ially mounted on tubuiar portions connected with
7. In combination with an umbrella having a
said latches for urging said tubular portions and
stick and ribs positioned around said stick, a
thus the latches upwards, and said magnetic
bushing slidably mounted on said stick slightly
means comprising bar magnets mounted in said
55
above said ribs, resilient means for holding said
tubular portions, and a rest ring of non-magnetic
bushing in a down position, latches for holding
material against which said ribs may engage.
said ribs from moving outwards and slidably
LEONILO MONTALVO.
mounted on the bottom of said bushing, resilient
Документ
Категория
Без категории
Просмотров
0
Размер файла
322 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа