Fluid handling – With casing – support – protector or static constructional... – Static constructional installations
Reexamination Certificate
2001-06-11
2002-12-10
Michalsky, Gerald A. (Department: 3753)
Fluid handling
With casing, support, protector or static constructional...
Static constructional installations
C004S673000, C137S606000, C137S801000
Reexamination Certificate
active
06491058
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates generally to a lavatory faucet, and more particularly to a structure for locating securely the water mixing bolt of the lavatory faucet.
2. Description of Related Art
As shown in
FIG. 1
, a lavatory faucet of the prior art is fastened with the lavatory basin
16
in conjunction with a cold water control valve
10
and a hot water control valve
11
, which are connected by a connection pipe
13
. The cold water control valve
10
is connected with a cold water pipe
14
while the hot water control valve
11
is connected with a hot water pipe
15
. The water pipes
14
and
15
are respectively put through the mounting hole
17
of the basin
16
along with a locating board
18
, and a locking ring
19
. The faucet neck
20
is fastened with a lug
22
by a fastening bolt
21
. Located between the faucet neck
20
and the basin
16
is a cover board
23
. The locating board
18
and the locking ring
19
are located at the bottom of the basin
16
such that they can be hardly reached by hand or hand tool. As a result, it is difficult to loosen the locking ring
19
so as to separate the faucet neck
20
from the basin
16
in the event that the lavatory faucet is to be replaced.
BRIEF SUMMARY OF THE INVENTION
The primary objective of the present invention is to provide a lavatory faucet which can be easily unfastened with a lavatory basin to which the lavatory basin is fastened.
The lavatory faucet of the present invention comprises a water mixing bolt seat, a fastening board, a water mixing bolt tube, a locating bolt, and a faucet neck. The water mixing bolt seat is mounted between the cold water control valve and the hot water control valve along with the fastening board. The water mixing bolt seat is located securely in place by the fastening board which is pressed against the lavatory basin. The lavatory neck is located by the locating bolt.
REFERENCES:
patent: 5232008 (1993-08-01), Jeffress et al.
patent: 6256810 (2001-07-01), Baker
patent: 6360770 (2002-03-01), Buchner et al.
patent: 6381776 (2002-05-01), Wang
patent: 6401748 (2002-06-01), Wang
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