Switch handle used in water sprayer

Details Switch handle used in water sprayer Switch handle used in water sprayer

2001-12-17

2004-11-09

Hwu, Davis (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Flow line or nozzle attached or carried handgrip or handle

Sleeve-type grip

C239S525000, C239S526000, C239S463000

Reexamination Certificate

active

06814308

ABSTRACT:

BACKGROUND OF THE PRESENT INVENTION
(a) Field of the Present Invention
The present invention relates to handles used in water sprayers, and particularly to a switch handle connected to a bottom section of a long tube of a water sprayer, wherein the switch can be manipulated directly using the hand to hold the handle during operation.
(b) Description of the Prior Art
Referring to
FIGS. 1
,
2
,
3
, and
4
, a conventional water sprayer mainly includes a spray head with a front end face provided with a spout hole, a long tube
3
having a top end connected to spray head
2
, a bottom section fitted with a handle
31
, and a bottom end pivotally connected to a connecting sleeve
32
, and a switch
4
having a rotary knob
41
on a periphery thereof, a bottom end
42
connected to a connector (not shown) of a water hose, and a top section with external threads
43
for engagement with the connecting sleeve
32
at the bottom end of the long tube
3
, whereby the rotary knob
41
can be rotated to control water to flow into the long tube of the sprayer.
In use, the user has to grip the handle
31
at the bottom section of long tube
3
with one hand and use the other hand to manipulate switch
4
secured to the connecting sleeve
32
at the bottom end of long tube
3
to control water to flow into the sprayer.
However, in the above structure, since the switch
4
which controls water to flow into the sprayer is locked to the connecting sleeve
32
at the bottom end of long tube
3
via external threads
43
at the top section thereof, switch
4
may easily disengage from the bottom end of long tube
3
.
In addition, since the handle
31
is generally made of plastics or rubber and is directly fitted to the bottom section of long tube
3
, when the sprayer is in use, water may seep through gaps between handle
31
and bottom section of long tube
3
to cause the handle to rotate and slide up and down, making positioning difficult.
In particular, referring to
FIGS. 2
,
3
and
4
, in practice, sprayer retailers for grouping sprayers together for display purposes would provide a sprayer securing seat A. The top side of securing seat A is provided with multiple through holes A
1
. A base A
2
of the securing seat A is provided with positioning grooves A
21
corresponding to the through holes in the vertical position. A partition block A
22
is provided in each position groove A
21
. When multiple sprayers are inserted into the multiple through holes A
1
from the top end of the securing seat A, the switch locked to the bottom end of long tube
3
and rotary knob
41
can be separately positioned with respect to the partition block A
22
to thereby facilitate positioning of each sprayer in securing seat A.
However, since the sprayers are arranged in the securing seat A for display to prospective customers, and since consumers generally would inspect the sprayers before purchases, the consumers would take out the sprayers from the securing seat A. As mentioned above, the switch
4
controlling water to flow into the sprayer is locked to connecting sleeve
32
at bottom end of long tube
3
via external threads
43
, when the consumer removes the sprayer from securing seat A, since switch
4
locked to bottom end of long tube
3
and rotary knob
41
thereof are partitioned by partitioning block A
22
disposed in each positioning groove A
21
of base A
2
of securing seat A, a couple will be formed to cause switch
4
to bear a rotating force during removal of the sprayer so that, if the consumer does not wish to buy the sprayer and puts the sprayer back into securing seat A, the sprayer cannot be properly positioned in securing seat A, or worse still, switch
4
will disengage from bottom end of long tube
3
.
SUMMARY OF THE INVENTION
The object of this invention is to provide a switch handle at a bottom section of a long tube of a water sprayer, in which a switch controlling flow of water into the sprayer is provided at a front end of a handle at the bottom section of the sprayer, and the long tube, switch and handle can be coupled integrally to prevent disengagement of the switch. Besides, the switch can be manipulated directly using the hand to hold the handle during operation.


REFERENCES:
patent: 3637143 (1972-01-01), Shames et al.
patent: 4055301 (1977-10-01), Hruby, Jr.
patent: 4097020 (1978-06-01), Sussman
patent: 4717073 (1988-01-01), Bielka
patent: 5297739 (1994-03-01), Allen
patent: 5613638 (1997-03-01), Blessing

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