Tent – canopy – umbrella – or cane – Umbrella – Nonsymmetrical – axially offset – or inclined canopy
Reexamination Certificate
1999-11-25
2001-03-20
Canfield, Robert (Department: 3635)
Tent, canopy, umbrella, or cane
Umbrella
Nonsymmetrical, axially offset, or inclined canopy
C135S020300, C135S087000, C135S095000, C135S142000, C135S151000, C248S121000, C248S122100, C248S125800
Reexamination Certificate
active
06202659
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 an angle adjusting device to adjust an angle of a sunshade awning.
Referring to
FIG. 11
, a conventional sunshade device has a support rod
20
, a stiff annular frame
10
supported by the support rod
20
, and a fabric enclosed by the stiff annular frame
10
. Since the stiff annular frame
10
occupy a large room, it is difficult to carry the stiff annular frame
10
or to store the stiff annular frame
10
. Further, the angle of the stiff annular frame
10
cannot be adjusted.
SUMMARY OF THE INVENTION
An object of the present invention is to provide a sunshade device which has an angle adjusting device to adjust an angle of a sunshade awning.
Another object of the present invention is to provide a sunshade device which has a clamp device to clamp a sunshade awning stably or to be detached easily.
Another object of the present invention is to provide a sunshade awning which has a flexible steel ring to be disengaged from a clamp device and to be folded so that the sunshade awning can be folded.
Accordingly, a sunshade device comprises a sunshade awning, a clamp device, an angle adjusting device, and an extensible support. The sunshade awning has a flexible steel ring and a fabric enclosed by the flexible steel ring. The extensible support has an outer pipe and an inner pipe inserted in the outer pipe. The clamp device has a lower tube, a first clamping plate, a second clamping plate disposed on the lower tube, and the second clamping plate engaging with the first clamping plate. The first groove of the first clamping plate and the second groove of the second clamping plate receive the flexible steel ring. The angle adjusting device has an upper sleeve inserted in the lower tube and a lower sleeve engaging with the upper sleeve. The upper sleeve has an insertion journal, a pivot hole formed in the insertion journal, a click flange disposed on a bottom of the insertion journal, and a plurality of recesses formed on the click flange. The lower sleeve has a lower pipe inserted in the inner pipe, an upper notch receiving the insertion journal, a chamber formed beneath the upper notch, a generally oblong hole communicating with the chamber, and a through hole matching the pivot hole of the insertion journal. The chamber receives a push block. The push block has a positioning post and a confining protrusion. The confining protrusion of the push block is inserted in one of the recesses of the click flange. The generally oblong hole of the lower sleeve receives a coiled spring. The positioning post of the push block is inserted in an end of the coiled spring. A pivot pin fastens the lower sleeve and the upper sleeve pivotally via the through hole of the lower sleeve and the pivot hole of the upper sleeve. When the push block is pushed inward, the confining protrusion of the push block is disengaged from one of the recesses of the click flange and the angle of the upper sleeve will be adjusted. When the push block is released, the confining protrusion of the push block will be inserted in one of the recesses of the click flange.
REFERENCES:
patent: 1409609 (1922-03-01), Stockle
patent: 1653772 (1927-12-01), Knoche
patent: 2828758 (1958-04-01), Moro
patent: 2863466 (1958-12-01), Small
patent: 2888021 (1959-05-01), Adams
patent: 3419295 (1968-12-01), Small
patent: 4068673 (1978-01-01), Bernardi
patent: 4082102 (1978-04-01), Heuer
patent: 4836232 (1989-06-01), DeRosa et al.
patent: 4877045 (1989-10-01), Lin
patent: 5579797 (1996-12-01), Rogers
patent: 5711331 (1998-01-01), Harris
Canfield Robert
Chen-Hsiung Lin
Kamrath Alan
Rider Bennett Egan & Arundel, LLP.
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