Long-Handled spray gun with a rotary head

Details Long-Handled spray gun with a rotary head Long-Handled spray gun with a rotary head

2002-10-02

2003-07-22

Douglas, Lisa A. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Distributor continuously moves relative to support during...

C239S280000, C239S530000

Reexamination Certificate

active

06595439

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention is related to a long-handled spray gun with a rotary head, comprising a connector head, a rotary member, a fixed member, a connection part and a long tubular rod wherein said rotary member screw joined to said connector head at one end is pivotally engaged with one side of said fixed member, and said connection part is coupled with said fixed member and said long tubular rod at both end thereof respectively. Via said rotary member, said connector head can be easily and quickly adjusted into a proper angle for use.
Please refer to
FIG. 1. A
conventional long-handled spray gun
10
is mainly made up of a spray head
11
, a connection part
12
, and a long tubular rod
13
wherein said spray head
11
having an internally threaded end
111
is screw joined to an externally threaded front end
121
of said connection part
12
thereof and communicated therewith via a water discharge hole
122
disposed at the center of said externally threaded front end
121
thereof. Said connection part
12
bent in an angle also has a coupling end
123
with a water inlet hole
124
disposed at the center thereof to be sleeve joined to said long tubular rod
13
thereof at the other end thereof. Said long tubular rod
13
having a tubular body
131
of proper length can also be attached to a control handle at the lower section thereof to complete the assembly for use.
There are some drawbacks to such conventional long-handled spray gun. Most of all, said spray head
11
is fixedly attached to said long tubular rod
13
via said connection part
12
at a certain angle which makes it hard to adjust the direction of said spray head
11
for use. Sometimes, hands or body is required to move so as to adjust said spray head
11
into a desirable angle in use, which is quite troublesome and inconvenient.
SUMMARY OF THE PRESENT INVENTION
It is, therefore, the primary purpose of the present invention to provide a long-handled spray gun with a rotary head, comprising a connector head, a rotary member, a fixed member, a connection part and a long tubular rod wherein said connector head is screw joined to one side of said rotary member, and said long tubular rod is connected with said fixed member via said connection part thereof. A staged groove and a tubular column disposed at one inner side of said rotary member thereof are engaged with a fixing post and a circular outer flange disposed at one side of said fixed member. A block is applied to said fixing post and further secured thereto via a fixing bolt so as to pivotally engage said rotary member and said fixed member thereof. Via said rotary member, said connector head can be easily and quickly adjusted into a proper angle for use thereof.
It is, therefore, the second purpose of the present invention to provide a long-handled spray gun with a rotary head wherein said block thereof having serrated polygonal flanges disposed at one inner side thereof is securely matched to a serrated polygonal head projecting at the front of said fixing post thereof and further secured thereto via said fixing bolt screwed up to internal threads disposed at the interior of said fixing post thereof. Said rotary member and said fixed member are securely engaged, preventing said fixing bolt from coming off when said rotary member are pivotally rotated thereof.


REFERENCES:
patent: 2884206 (1959-04-01), Dukes
patent: 3908910 (1975-09-01), Detwiler
patent: 6322006 (2001-11-01), Guo

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