Tent – canopy – umbrella – or cane – Umbrella
Reexamination Certificate
1999-10-22
2001-04-24
Chen, Jose V. (Department: 3636)
Tent, canopy, umbrella, or cane
Umbrella
Reexamination Certificate
active
06220260
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a sunshade device. More particularly, the present invention relates to a sunshade device which has a connection rod inserted in the ground or a tube.
Referring to
FIG. 5
, a conventional sunshade device has a solid shaft
21
, a gore
2
disposed on an upper end of the solid shaft
21
, and a lower end of the solid shaft
21
inserted in a tube
11
of a base seat
1
. However, the base seat
1
should not be placed on soft soil or uneven ground. The conventional sunshade device will fall down under a strong wind.
SUMMARY OF THE INVENTION
An object of the present invention is to provide a sunshade device which has a connection rod to be inserted in the ground.
Another object of the present invention is to provide a sunshade device which has a connection rod to be inserted in a tube of a base seat.
In accordance with a first preferred embodiment of the present invention, a sunshade device comprises a hollow shaft, a gore disposed on an upper end of the hollow shaft, and a lower end of the hollow shaft receiving a connection rod. The hollow shaft has two lower protrusions. The connection rod has an annular flange defining a first portion and a second portion. The first portion of the connection rod has a flat end and two generally L-shaped grooves. The second portion of the connection rod has a tip end and two generally L-shaped recesses. The second portion of the connection rod is inserted in the lower end of the hollow shaft. The lower protrusions of the hollow shaft are inserted in the generally L-shaped recesses of the second portion of the connection rod.
In accordance with a second preferred embodiment of the present invention, a sunshade device comprises a hollow shaft, a gore disposed on an upper end of the hollow shaft, and a lower end of the hollow shaft receiving a connection rod. The hollow shaft has two lower protrusions. The connection rod has an annular flange defining a first portion and a second portion. The first portion of the connection rod has a flat end and two generally L-shaped grooves. The second portion of the connection rod has a tip end and two generally L-shaped recesses. The first portion of the connection rod is inserted in the lower end of the hollow shaft. The lower protrusions of the hollow shaft are inserted in the generally L-shaped grooves of the first portion of the connection rod.
REFERENCES:
patent: 787237 (1905-04-01), Turner
patent: 2103948 (1937-12-01), Jones
patent: 4850564 (1989-07-01), Padin
patent: 477182 (1951-09-01), None
patent: 452583 (1927-11-01), None
patent: 850535 (1939-12-01), None
patent: 2075832 (1981-11-01), None
Chen José V.
Chen-Hsiung Lin
Kamrath Alan
Rider Bennett Egan & Arundel, LLP.
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