CA1287030C - Hook for releasing parachute or the like from a kite - Google Patents
Hook for releasing parachute or the like from a kiteInfo
- Publication number
- CA1287030C CA1287030C CA 536881 CA536881A CA1287030C CA 1287030 C CA1287030 C CA 1287030C CA 536881 CA536881 CA 536881 CA 536881 A CA536881 A CA 536881A CA 1287030 C CA1287030 C CA 1287030C
- Authority
- CA
- Canada
- Prior art keywords
- hook
- kite
- spar
- parachute
- hook member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Landscapes
- Toys (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE:
A hook to be fixed to the lower end of the frame of a kite. The hook has an arm curved upwardly towards the top end of the kite for suppor-ting and object such as a parachute when the kite is in a vertical po-sition and for droping the parachute when the kite has reached a pre-determined tilted position.
A hook to be fixed to the lower end of the frame of a kite. The hook has an arm curved upwardly towards the top end of the kite for suppor-ting and object such as a parachute when the kite is in a vertical po-sition and for droping the parachute when the kite has reached a pre-determined tilted position.
Description
TITLE OF THE INVENTION
HOOK FOR RELEASING PARACHU'rE OR T~IE LTKL: FROM ~ ICITE
BACKGROUND OF THE INVENTION
Various devices have been contempleted for releasing pa-rachute from a kite but in general they required a relatively com-plex arrangement of parts.
In Canadian Patent #179,666 and U.S. Patent 1~2,452,746, the inventors use a throw-off device which slides on the card of a ki-te to release the parachute.
U.S. Patent ~2,059,634 discloses a rod secured along the spar of a kit for holding a resilient arm with a ring. The cord of the kite must be jerked to release the parachute.
BRIEF SUMMARY OF THE INVENTION:
The invention relates to a hook Eixed to the lower end of the frame of a kite. The hook comprises an arm extending from the spar of the kite and on the side thereof. The arm forms an angle of less than 90 degrees with the spar which is located along the longitu-dinal axis of the kite.
The kite, when launched, is in a substantially vertical position and the hook is in a direction pointing above the horizon.
As the kite rises in the sky, it tends to t;lt towards an hori~ontal position. The hook will gradually point downwardly until the object which is supported by it slides out of it.
BRIEF DESCRIPTION OF THE DRAWING
Figure l: shows a schematic view of a kite and a hook according to the invention in an initial position of fl;ght and in its position for launching a parachute, ... 2 Figure 2: is a perspective view of one embodiment of a hook Eixed at the lower end of a kite, Figure 3: is a side view of another embodiment of the hook w;th the spar partly removed, Figure 4: is a perspective view of another embodiment of a hook, Figure 5: i8 a side view of the embodiment shown in fi-gure 4 with the hook partly rotated in the spar.
DETAILED DESCRIPTION OF THE INVENTION:
lo Figure 1 shows a kite 10 pulled by a chord 12 in its initial position of flight. The plane of the kite is substantially vertical. The spar 14 which is located along the longitudinal axis of the kite is fitted at its lower end with a hook 16 for supporting a parachute 18. When the kite has reached a certain height, such as at 10' in figure 1, the plane of the kite and the hook is sufficiently tilted relative to the horizon to release the parachute. The parachu-te is preferably provided at its apex with a ring 20 so as to facili-tate the sliding out of the hook 16'.
Various types of hooks can be adapted for installation at the lower end of the spar. In figure 2, the hook 22 comprises a shank 24 provided with a stub 26 adapted to fit tightly into a hollow portion of the spar 14. An arm 28 is pivotally connected to the shank 24 through an axle 30. The arm 28 is curved in the direction of the shank 24 and consequently in the direction of the spar 14. The arm 28 is frictionally engaged in the shank 24 and can support a predetermi-ned weight corresponding to the object which will be carried such as the parachute 18.
7~
The specific shape oE the arm 28 may vary but in general the d;stance between the outer tip of the arm 28 and shank 24 or spar l4 is one factor for determining at which angle or at which height the kite can release the parachute~
The embodiment shown ;n figure 3, has a shank 32 which Eits into a hollow portion of the spar 14 with a threaded stub 34.
The arm 36 is pivotally connected to the shank 32 and its angular movement can be Erictionally adjusted with a tightening screw 38.
A different embodiment is illustrated in figures 4 and 5. The spar 14' is provided with a transversal aperture through which a hook 40 is frictionally inserted. The hook 40 is U-shaped with a generally circular contour. At one end, it is provided with a notch 42 which acts as a stopper when the hook 40 slides through the perfo-rated spar 14'. The cross-section of the hook 40 is constant from the plane of the notch 42 and for most of its contour so as to maintain a predetermined frictional engagement with the spar. Such engagement is determined in such a way so that the weight of the object hanging from the hook will not make the latter slide through the spar 14'.
In actual operation, the arm 28 or 36 or the hook 40 is angularly positioned depending at wh;ch height the parachute 18 is in-tended to be released. The smaller the angle between the arm 28 or 36 with the spar 14,the higher the parachute will be released, all other things being equal. This condition is reached for the embodiment shown in figures 4 and 5 when the notch 42 is ;n contact with spar 14'.
It is obvious that objects other than the parachute can be launched from the hook of a kite. Such objects could be small toy airplanes, inflattable plastic toys, garlands or the like.
HOOK FOR RELEASING PARACHU'rE OR T~IE LTKL: FROM ~ ICITE
BACKGROUND OF THE INVENTION
Various devices have been contempleted for releasing pa-rachute from a kite but in general they required a relatively com-plex arrangement of parts.
In Canadian Patent #179,666 and U.S. Patent 1~2,452,746, the inventors use a throw-off device which slides on the card of a ki-te to release the parachute.
U.S. Patent ~2,059,634 discloses a rod secured along the spar of a kit for holding a resilient arm with a ring. The cord of the kite must be jerked to release the parachute.
BRIEF SUMMARY OF THE INVENTION:
The invention relates to a hook Eixed to the lower end of the frame of a kite. The hook comprises an arm extending from the spar of the kite and on the side thereof. The arm forms an angle of less than 90 degrees with the spar which is located along the longitu-dinal axis of the kite.
The kite, when launched, is in a substantially vertical position and the hook is in a direction pointing above the horizon.
As the kite rises in the sky, it tends to t;lt towards an hori~ontal position. The hook will gradually point downwardly until the object which is supported by it slides out of it.
BRIEF DESCRIPTION OF THE DRAWING
Figure l: shows a schematic view of a kite and a hook according to the invention in an initial position of fl;ght and in its position for launching a parachute, ... 2 Figure 2: is a perspective view of one embodiment of a hook Eixed at the lower end of a kite, Figure 3: is a side view of another embodiment of the hook w;th the spar partly removed, Figure 4: is a perspective view of another embodiment of a hook, Figure 5: i8 a side view of the embodiment shown in fi-gure 4 with the hook partly rotated in the spar.
DETAILED DESCRIPTION OF THE INVENTION:
lo Figure 1 shows a kite 10 pulled by a chord 12 in its initial position of flight. The plane of the kite is substantially vertical. The spar 14 which is located along the longitudinal axis of the kite is fitted at its lower end with a hook 16 for supporting a parachute 18. When the kite has reached a certain height, such as at 10' in figure 1, the plane of the kite and the hook is sufficiently tilted relative to the horizon to release the parachute. The parachu-te is preferably provided at its apex with a ring 20 so as to facili-tate the sliding out of the hook 16'.
Various types of hooks can be adapted for installation at the lower end of the spar. In figure 2, the hook 22 comprises a shank 24 provided with a stub 26 adapted to fit tightly into a hollow portion of the spar 14. An arm 28 is pivotally connected to the shank 24 through an axle 30. The arm 28 is curved in the direction of the shank 24 and consequently in the direction of the spar 14. The arm 28 is frictionally engaged in the shank 24 and can support a predetermi-ned weight corresponding to the object which will be carried such as the parachute 18.
7~
The specific shape oE the arm 28 may vary but in general the d;stance between the outer tip of the arm 28 and shank 24 or spar l4 is one factor for determining at which angle or at which height the kite can release the parachute~
The embodiment shown ;n figure 3, has a shank 32 which Eits into a hollow portion of the spar 14 with a threaded stub 34.
The arm 36 is pivotally connected to the shank 32 and its angular movement can be Erictionally adjusted with a tightening screw 38.
A different embodiment is illustrated in figures 4 and 5. The spar 14' is provided with a transversal aperture through which a hook 40 is frictionally inserted. The hook 40 is U-shaped with a generally circular contour. At one end, it is provided with a notch 42 which acts as a stopper when the hook 40 slides through the perfo-rated spar 14'. The cross-section of the hook 40 is constant from the plane of the notch 42 and for most of its contour so as to maintain a predetermined frictional engagement with the spar. Such engagement is determined in such a way so that the weight of the object hanging from the hook will not make the latter slide through the spar 14'.
In actual operation, the arm 28 or 36 or the hook 40 is angularly positioned depending at wh;ch height the parachute 18 is in-tended to be released. The smaller the angle between the arm 28 or 36 with the spar 14,the higher the parachute will be released, all other things being equal. This condition is reached for the embodiment shown in figures 4 and 5 when the notch 42 is ;n contact with spar 14'.
It is obvious that objects other than the parachute can be launched from the hook of a kite. Such objects could be small toy airplanes, inflattable plastic toys, garlands or the like.
Claims (2)
1-. A releasing hook member adapted to be fixed at the lower end of a kite frame, the said hook member comprises a U-shaped arm having a general circular contour adapted to frictionally slide into a slot provided in the said lower end of the kite frame, the said hook having a protuberant notch at one end for stopping said hook member in said slot.
2-. A kite comprising a frame having a rigid spar along its longitudinal axis and a chord for pulling said frame, a hook member fixed at the lower end of said spar, the said hook member comprising a curved arm extending away from said spar in a direction parallel to said chord and perpendicular to the plane of said frame and forming an angle of less than 90° with said spar, said curved arm having a U-shape and having a general circular contour adapted to frictionally slide into a slot provided in the lower end of said spar, the said hook having a protuberant notch at one end for stopping said hook member in said slot.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA 536881 CA1287030C (en) | 1987-05-12 | 1987-05-12 | Hook for releasing parachute or the like from a kite |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA 536881 CA1287030C (en) | 1987-05-12 | 1987-05-12 | Hook for releasing parachute or the like from a kite |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1287030C true CA1287030C (en) | 1991-07-30 |
Family
ID=4135644
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 536881 Expired CA1287030C (en) | 1987-05-12 | 1987-05-12 | Hook for releasing parachute or the like from a kite |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA1287030C (en) |
-
1987
- 1987-05-12 CA CA 536881 patent/CA1287030C/en not_active Expired
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKLA | Lapsed |