JP2001178516A - Umbrella without spring - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a safe umbrella having no spring which can be easily assembled and reduce the production cost and which is slim when it is folded. SOLUTION: The umbrella is provided with a central handle 1, a frame assembly 2 having at least a top frame 21 to which an umbrella cloth is attached and an expansion frame 22 rotatably attached to an upper notch 20 and a lower notch 23 on the central handle 1 respectively, and forming an acute angle with the central handle in order to form the upward component raising up the expansion frame when the umbrella is opened and the respective expansion frames are tensed by the umbrella cloth, a tension rod 3 attached to the expansion frame, an extension rope 4 connected to the tension rod at the inside and fitted to the top frame, and a pole head member 13 fixed to the lower part of the central handle. The tension rope and the tension rod urge cooperatively the top frame toward the central handle when the umbrella is opened and the lower runner is engaged with the pole head member when the umbrella is closed to safely lock the frame assembly in the folded state and further, the tension rope and the rod are folded into the frame.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a safety umbrella without a catch or a catch.

[0002]

2. Description of the Related Art In order to prevent the conventional umbrella-free umbrella disclosed in Japanese Utility Model Publication No. 60-22806 from damaging a user, a spring cissing elastically held by an umbrella handle is omitted. Even so, however, the prior art has its drawbacks.

When the umbrella is closed, a plurality of springs 9 are provided on each top bone 5 to effectively attract the bones toward the handle 1.
And each expanded bone 6, whereby
The assembly complexity and manufacturing cost when manufacturing an umbrella increases.

[0004]

SUMMARY OF THE INVENTION The inventor of the present invention has made intensive studies in view of the above-mentioned drawbacks of the conventional umbrella, and as a result, completed the present invention. It is an object of the present invention to provide a safety umbrella that is easy to manufacture, can reduce the manufacturing cost, and is slim when folded, without a spring cissing.

[0005]

SUMMARY OF THE INVENTION An object of the present invention is to provide at least a central handle, and a top bone and an extended bone rotatably attached to an upper notch and a lower runner on the central handle, respectively. An umbrella cloth is configured to be attached, and each expanded bone forms an acute angle with the central handle to form an upper component force that lifts the expanded bone upward when the umbrella is opened and tensioned by the umbrella cloth. A bone assembly, and a pull rod attached to the expanded bone,
An inner portion thereof is attached to an inner portion of the expanded bone, and a pull rod arranged along the expanded bone, a pull rod attached to the expanded bone, and a pull rod connected inside and connected to the outer side. A pull rope attached to the top bone and a ball head member secured to the lower portion of the central handle, wherein the pull rope and the pull rod prevent the umbrella cloth from turning over when the umbrella is opened and exposed to strong winds When the umbrella is closed, the lower runner engages the ball head member to stabilize the bone assembly in a collapsed condition, cooperatively biasing the top bone toward the central handle to help To lock and form a folded umbrella,
Pull ropes and pull rods are also achieved by providing a safety umbrella that is folded between the extended bone and the top bone.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIGS. 1 to 10, a safety umbrella of the present invention is slidable on a central handle 1, an upper notch 20 formed on a top 11 of the central handle 1, and the central handle 1. The held runner or the lower runner 23 has at least a top bone 21 and an expanded bone 22 that are rotatably attached to the gripper 12, respectively. A bone assembly 2 formed at an acute angle A (slightly smaller than a right angle) with respect to the central handle 1 and a dome-shaped, stretched and attached to a plurality of top bones 21 to open an umbrella ( The top bone 21 and the expanded bone 22 are tensioned inward toward the central handle 1, and the tension F and the component Fr (= F × co
sA) to form the expanded bone 22 to stably open the umbrella.
And an umbrella cloth C for urging the lower runner 23 upward to prevent the lower runner from dropping by gravity, a pull rod 3 attached to the inner part 221 of the expanded bone 22, and a pull rod. 3 and the outer part 2 of the top bone 21
A pull rope 4 attached between the two; a ball head pin 13 fixed to a lower portion of the central handle 1 near the grip 12 for engaging the lower runner 23 when closing the umbrella (see FIG. 6); have. Stopper pin 10
Is formed on the top 11 of the central handle 1 to limit the upward movement of the lower runner 23 when the umbrella is opened. In this specification, in the direction along the longitudinal axis of the central handle 1, the grip 12 side is “down”, the opposite side is “up”,
In the direction perpendicular to the longitudinal axis of the central handle 1, the side closer to the central handle 1 will be described as “inside”, and the far side will be described as “outside”.

[0007] The bone assembly 2 comprises a top bone 21 having an inner portion 211 rotatably mounted on the upper notch 20.
And the inner part 2 rotatably attached to the lower runner 23
And an outer portion 222 of the expanded bone 22 is rotatably attached to an intermediate bone portion 213 of the top bone 21.

The top bone 21 is made of a light aluminum alloy having a substantially U-shaped cross section, and an inner bone 2a joined to the inner bone 2a and made of an elastic rod such as a fiberglass reinforced plastic material. The outer bone part 2b has a circular shape, and the material and structure of the top bone 21 are not limited in the present invention.

The pull rod 3 includes an inner adapter 32 formed on an inner rod portion 31 which is an inner portion of the pull rod 3, and an outer adapter 34 formed on an outer rod portion 33 of the pull rod 3. . The pull rod 3
It can be made from fiberglass reinforced plastic, carbon fiber, or other suitable material having suitable elasticity and strength, and has a circular, rectangular, flat, or arched cross section. The pull rod 3 may be formed as an elongated sheet, strip, rod or the like.

The inner adapter 32 of the pull rod 3 has
Bone hole 3 engaging with inner portion 221 of expanded bone 22 for attaching inner adapter 32 to inner portion 221 of expanded bone 22
21 are formed. Further, the pressing section 322 (FIG. 4)
) May be formed to firmly secure the inner adapter 32 to the expanded bone 22. Thus, the inner adapter 32 is attached to the inner part 221 of the expanded bone 22,
The pull rod 3 is arranged along the expanded bone 22 (see FIG. 1 and the like).

The outer adapter 34 of the pull rod 3 can be formed in a substantially cylindrical shape as shown in FIG. 2, and has an inner rope socket 341 formed vertically inside the outer adapter 34. The inner rope end 41 of the pull rope 4 is connected to the inner rope socket 3 of the outer adapter 34.
41 is fixed. Pull rod 3
Is formed as a substantially cylindrical rod, as shown in FIG.

The pull rope 4 is made of nylon (trade name,
(Polyamide-based resin) ropes and other ropes or wires having compatible elasticity and durable tensile strength. The outer rope end 42 of the pull rope 4 is connected to an outer rope socket 431 formed on an outer connector 43 attached to the outer portion 212 of the top bone 21.
Can be attached to The outer connector 43 is formed as a bracket fixed to the top bone 21 or as another structure, and is not limited in the present invention.

The pull rod 3 has a length which is preferably slightly shorter than the length of the dilated bone 22.
Can have a length no shorter than half the length of
When the umbrella is folded (see FIG. 6), it has an outer rod portion 33 proximate the outer portion 222 of the expanded bone 22 adjacent to the intermediate bone portion 213 of the top bone 21. That is, the pull rod 3 includes an inner rod portion 31 having an inner adapter 32 attached to an inner portion 221 of the expanded bone 22 and an outer rod portion that is close to the outer portion 222 of the expanded bone 22 when the umbrella is folded. 33 is provided. The pull rope 4
The length of the pull rope 4 is preferably slightly shorter than the distance between the intermediate bone portion 213 of the top bone 21 and the outer portion 212 of the top bone 21. And no less than half the distance between the outer portions 212.

By the way, when the umbrella is folded, the pull rod 3 leans on or comes close to the expanded bone 22, while the pull rope 4 is connected to the pull rod 3 and the top bone 21 as shown in FIG. Outer part 21
It is stretched and pulled between the two, rope 4 or rod 3
This makes it possible to form a compact and slim folded umbrella without slack or looseness, thereby preventing the rope 4 from entanglement or confusion with the rod 3.

As shown in FIG. 1, when the umbrella of the present invention is opened and exposed to a strong wind W which blows up the bone assembly 2 and the umbrella cloth C, the pull rope 4 and the pull rod 3 cause the umbrella cloth C In order to stably urge the umbrella cloth C and the bone assembly 2 toward the central handle 1 to prevent the bone assembly 2 from turning over, the outer portion 2 of the top bone 21
12 are cooperatively biased toward the inner portion 221 of the expanded bone 22.

The inner adapter 32 of the inner rod portion 31 is easily attached to the inner portion 221 of the expanded bone 22. The inner rope end 41 of the pull rope 4 is also
By forming a knot at the inner rope end 41 of the pull rod 3 and fixing it to the socket 341 formed at the outer adapter 34 of the rod 3, the pull rod 3 is easily fixed to the outer adapter 34 of the outer rod 33. On the other hand, the outer rope end 42 of the rope 4 is also easily connected to the outer connector 43 attached to the top bone 21 by, for example, forming a knot on the outer rope end 42 and fixing it to the socket 431 in the outer connector 43. Fixed to

The ball head pin 13 has a spherical or arched outer surface that projects outward beyond the tube surface of the central handle 1 without damaging the umbrella user. The ball head pin 13 can be modified to other structures, such as a ball resiliently held in a central handle, so as to engage a ball hole formed in the lower runner 23 when the umbrella is closed. I have to.

The lower runner 23 includes a ferrule formed around the runner 23 for rotatably mounting the expanded bone 22, a lower rim 232 formed around the bottom of the runner 23, and an umbrella. A ball hole 233 for engaging with the ball head pin 13 when the
And a tab 230 formed resiliently in the form of a hinge. The tab 230 preferably has an arch-shaped bottom rim 230a formed at the bottom edge of the tab 230.

When the umbrella is closed, the lower runner 23 is lowered, and the bottom rim 230a of the tab 230 on the lower runner 23
As shown in FIGS. 8 and 9, the ball head pin 13 is elastically urged outward. Then, when the bottom rim 230a separates from the ball head pin 13, FIGS.
The ball head pin 13 will engage the hole 233 of the tab 230 to stably lock the runner 23 and the bone assembly 2 in the folded state as shown in FIG.

When the umbrella is opened, the lower runner 23 returns from FIG. 10 to FIG. 8 by reversing the above-described procedure of closing the umbrella and disengaging from the ball head pin 13, and finally the state of FIG. Will be raised, to open the umbrella up to.

There is no lower cissing or upper cissing protruding outward from the central handle, and as a result, it is possible to prevent a user of the umbrella from being hurt such as a stab.

Pull rope 4 and pull rod 3
Are connected linearly when the umbrella is opened, and cooperatively bias the outer portion 212 of the top bone 21 toward the center handle 1 toward the center, as shown in Japanese Utility Model Publication No. 60-22806. As a result, the umbrella cloth C can be held well and the umbrella can be prevented from being inverted or turned over.

When the umbrella is closed, the pull ropes 4 and the pull rods 3 are stretched and collapsed in the expanded bone 22 and the top bone 21 and consequently a plurality of obstacles which are likely to be obstructed in the bone assembly when folded. It is possible to form a structure that can be folded more slimly as compared with the prior art of Japanese Utility Model Publication No. 60-22806 having the above-mentioned spring.

Another preferred embodiment of the present invention is shown in FIGS.
20. The top bone 21 of this embodiment is formed as one independent bone (not composed of two bone parts 2a and 2b as shown in FIG. 1). The pull rod 3 is formed as an elongated slim strip or plate, and has a shallow arch-shaped groove 30 which is recessed downward at the upper part of the pull rod 3 so that the umbrella is folded. When engaged, it engages with the bottom wall of the expanded bone 22. The inner rope socket 341 is formed horizontally on the outer adapter 34 of the pull rod 3 to fix the inner rope end 41 of the pull rope 4 to the inner rope socket 341. The outer connector 43 of the pull rope 4
It is formed as a helical spring 43 held in a substantially U-shaped groove formed in the outer portion 212 of the top bone 21, and the helical spring 43 is attached to the outer rope end 42 of the rope 4 (formed as a knot). May be fixed). Originally, the outer connector 43 can be modified to another shape or structure.

In addition to the above-described connection or fixing method for connecting the rod 3 and the rope 4, attaching the rod 3 to the expanded bone 22, and fixing the rope 4 to the top bone 21, in the present invention, Alternatively, other connection methods such as bonding with an adhesive may be used.

The lower runner 23 is modified as shown in FIGS. That is, the tab 230 is cut away from the runner and is formed to be cut from the lower rim 232, as shown in FIGS. 20, 17 and 16 when the umbrella is closed and the runner 23 is lowered. In order to stably lock the runner 23 in the folded state and finally engage the ball head pin 13 with the ball hole 233 formed in the tab 230, the tab 230 is elastically or hingedly connected to the runner 23. Inclined from 23, tab 230
The bottom rim 230a formed at the bottom of the rim is pushed in a tangential direction toward the outside (see FIGS. 18 and 19).

The ball hole 233 is formed in the bottom rim 2 of the tab 230.
It is formed at a position adjacent to 30a. If the ball head pin is modified to a ball which is resiliently held in the central handle 1, the tab 230 is omitted and the ball hole 2
33 will be formed directly on the runner 23 and will engage the ball to lock the runner when the umbrella is closed. In the present invention, the ball head pin 13 or the ball is defined as a “ball head member”.

When closing the umbrella, the bones 21 and 22 are folded and retracted, approaching the central handle 1 and forming a slim and compact structure, the pull rod 3 and the pull rope 4 are , Are folded in the bones 21 and 22. On the other hand, the runner 23 is locked downward by the ball head pin 13 in order to further stabilize the bones 21 and 22 in the folded state.

The embodiments described above have been described for the purpose of facilitating the understanding of the present invention, but are not described for limiting the present invention. Various changes can be made without departing from the spirit and scope of the invention.

[0030]

As described above, according to the umbrella of the present invention, there is no lower cissing or upper cissing protruding outward from the central handle, and as a result, the user of the umbrella suffers from stab wounds and the like. Injuries can be prevented.

Further, the assembling is easy and the manufacturing cost can be reduced, and when folded, it is slim and compact, and it is possible to effectively prevent the umbrella from being inverted or turned over.

[Brief description of the drawings]

FIG. 1 is a view showing an open state of an umbrella of the present invention.

FIG. 2 is a perspective view of the pull rod of the present invention.

FIG. 3 is a perspective view showing an outer rope end of a pull rope attached to a top bone.

FIG. 4 shows the connection of the pull rod and the pull rope on the bone of the umbrella of the present invention.

FIG. 5 is a view showing a folded umbrella when folded from the state of FIG. 1;

FIG. 6 is a view showing the umbrella completely folded from the state of FIG. 5;

FIG. 7 is an enlarged front view of a lower runner shown in FIG. 6;

FIG. 8 is a partially broken sectional view showing a state before the lower runner is engaged with the ball head pin on the handle when the umbrella is closed.

FIG. 9 is a partially cutaway sectional view showing a state where the lower runner is about to engage with the pin, following FIG. 8;

FIG. 10 is a partially broken sectional view showing a state where the lower runner is engaged with the pin and locked, following FIG. 9;

FIG. 11 is a view showing an open state of an umbrella according to another preferred embodiment of the present invention.

FIG. 12 is a perspective view of the pull rod shown in FIG. 11;

FIG. 13 is a perspective view showing the outer rope end of the pull rope attached to the top bone of FIG. 11;

FIG. 14 shows the connection of the pull rod and the pull rope on the bone of the umbrella of FIG. 11;

FIG. 15 is a view showing a folded umbrella when folded from the state of FIG. 11;

FIG. 16 is a view showing the umbrella completely folded from the state of FIG. 15;

FIG. 17 is an enlarged front view of the lower runner shown in FIG.

FIG. 18 is a partially cutaway sectional view showing a state before the lower runner of the present invention engages with the pin.

FIG. 19 is a partially broken sectional view showing a state where the lower runner is about to engage with the pin, following FIG. 18;

FIG. 20 is a partially broken sectional view showing a state where the lower runner has already engaged with the pin, following FIG. 19;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Central handle, 12 ... Grip, 13 ... Ball head pin (ball head member), 2 ... Bone assembly, 20 ... Upper notch, 21 ... Top bone, 22 ... Expansion bone, 23 ... Runner, 3 ... Pull rod, 4 ... pull rope, C ... umbrella cloth.

Claims (13)

[Claims] 1. A central handle having an upper notch formed at a top portion and a grip formed at a lower portion, a ball head member fixed to a lower portion of the central handle close to the grip, and a turn around the upper notch. A top bone movably mounted, and a plurality of expanded bones each pivotally mounted between the top bone and a runner slidably retained on the central handle, the runner closing an umbrella. Sometimes the expandable bone is engageable with the ball head member of the central handle, and when the umbrella is opened, the angle between the expandable bone and the central handle from the runner to the grip is less than a right angle. A bone assembly that also defines a small acute angle, and is attached to the top bone by extension and when the umbrella is opened,
An umbrella cloth configured to urge the top bone and the expanded bone inward toward the central handle and to maintain the runner above the central handle; and A tension rod, the inner part of which is attached to the inner part of the dilated bone and arranged along the dilated bone; and A pull rope attached to an outer portion of the top bone, and when the umbrella is opened, to prevent the umbrella cloth from turning over,
Each of the pull ropes coupled to each of the pull rods biases the bone assembly and the umbrella cloth mounted thereon toward the center handle toward the center handle, such that when the umbrella is folded, To form a folded umbrella, the pull rod and the pull rope are
A cissing-free umbrella folded between the expanded bone and the top bone. 2. The umbrella according to claim 1, wherein said pull rod is made of a reinforced plastic material. 3. The umbrella according to claim 1, wherein said pull rope is made of a rope or wire having elastic and durable tensile strength. 4. The pull rod has a recessed arch-shaped groove formed on an upper surface of the pull rod, and engages with a bottom wall of the expanded bone when the umbrella is folded.
The umbrella according to. 5. An inner adapter formed on an inner rod portion of the pull rod, the inner adapter being attached to an inner portion of the dilated bone, and an outer adapter for connecting to an inner rope end of the pull rope. The umbrella according to claim 1, wherein the pull rope has an outer rope end connected to an outer part of the top bone. 6. The pull rod has an inner adapter having a bone hole formed therein, and the expandable bone is inserted into the bone hole to attach the inner adapter of the pull rod to the expand bone. The umbrella according to claim 5. 7. The umbrella according to claim 5, wherein the pull rope includes an outer connector attached to the outer portion of the top bone, and an outer rope end of the pull rope is attached to the outer connector. . 8. The umbrella according to claim 7, wherein the outer connector of the pull rope is formed as a spiral spring held in a groove formed in the outer part of the top bone. 9. The umbrella according to claim 1, wherein the tension rod has a length ranging from half to the entire length of the dilated bone. 10. The umbrella according to claim 1, wherein the ball head member is a ball head pin fixed to the central handle, and engages with a ball hole formed in the runner when the umbrella is closed. 11. The umbrella according to claim 1, wherein the ball head member is elastically held by the central handle and engages with a ball hole formed in the runner when the umbrella is closed. 12. The runner includes a tab formed resiliently and hingedly on the runner, wherein the tab is formed proximate a bottom rim of the tab and wherein the ball head when the umbrella is closed. 2. The umbrella according to claim 1, wherein the umbrella has a ball hole to be engaged with the member. 13. The tab is cut off from the runner and has a bottom rim that is resiliently tilted outward by the ball head member when the umbrella is closed and the runner is lowered. 13. The umbrella according to claim 12, wherein said ball hole of said tab is engaged with a ball head member of said central handle to lock said runner on said central handle.