Assembling structure for main wing of a model airplane

Details Assembling structure for main wing of a model airplane Assembling structure for main wing of a model airplane

1999-09-13

2001-05-01

Muir, D. Neal (Department: 3712)

Amusement devices: toys

Aerodynamically supported or retarded

C446S088000, C446S127000, C403S294000, C403S374100

Reexamination Certificate

active

06224451

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention relates to an assembling structure for main wing of a model airplane, which permits the main wing to be quickly firmly assembled or disassembled for easy carriage or storage.
FIG. 4
shows a conventional assembling structure for main wing of a model airplane. The main wing
70
is composed of a left wing
71
and a right wing
72
. The mating face of the right wing
72
is disposed with a connecting post
721
and a connecting plate
722
. The left wing
71
is formed with a connecting socket
711
and a connecting way
712
corresponding to the connecting post
721
and the connecting plate
722
of the right wing
72
. The connecting post
721
and the connecting plate
722
can be respectively fitted into the connecting socket
711
and the connecting way
712
to associate the left wing
71
with the right wing
72
. An adhesive tape is wound around the periphery of the mating section of the wing face to bind the left wing
71
with the right wing
72
.
When disassembled, the adhesive tape
73
must be first torn away so as to separate the left wing
71
from the right wing
72
. In the case of strong adhesion of the tape
73
, the left and right wings
71
,
72
can be firmly associated with each other. However, it is difficult to tear away the tape
73
. Reversely, in the case of weak adhesion of the tape
73
, it is easy to tear away the tape
73
. However, the left and right wings
71
,
72
can be hardly firmly associated with each other or even will separate from each other during flying of the model airplane.
SUMMARY OF THE INVENTION
It is therefore a primary object of the present invention to provide an assembling structure for main wing of a model airplane. The main wing is composed of a left wing and a right wing. The mating faces of the left and right wings are disposed with complementary engaging seat and engaging block which are mated with each other and tightened by a conic screw. Therefore, the left wing and the right wing can be quickly firmly assembled to form the main wing. The screw can be easily untightened to quickly disassemble the left wing from the right wing for easy carriage or storage.
According to the above object, in the assembling structure for main wing of a model airplane of the present invention, the mating face of the right wing is disposed with a connecting post and an upper reverse angle connecting plate. The left wing is formed with a connecting socket and a connecting way corresponding to the connecting post and the connecting plate. At least a front section of the mating face of the right wing is disposed with a projecting engaging seat. The engaging seat is formed with a perpendicular conic hole passing through a bottom face of the right wing. A middle portion of the engaging seat is formed with an engaging recess parallel to the wing face. The left wing is formed with a receptacle corresponding to the engaging seat of the right wing. The left wing is formed with a projecting engaging block corresponding to the engaging recess of the engaging seat of the right wing. The engaging block is formed with a conic hole corresponding to the conic holes of the engaging seat and having equal coning. The conic hole of the engaging block passes through a bottom face of the left wing. When the left and right wings are mated with each other, a conic screw can be screwed into the conic holes to lock the left wing with the right wing.
The present invention can be best understood through the following description and accompanying drawings wherein:


REFERENCES:
patent: 235300 (1880-12-01), Sanders
patent: 2870567 (1959-01-01), Bergstrand
patent: 3735524 (1973-05-01), Staats et al.
patent: 3825360 (1974-07-01), Galich
patent: 3935664 (1976-02-01), Neuhierl
patent: 5035382 (1991-07-01), Lissaman et al.
patent: 5333964 (1994-08-01), Thomas

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