Fluid sprinkling – spraying – and diffusing – Including valve means in flow line – Rotary valving
Reexamination Certificate
2000-10-20
2001-10-16
Scherbel, David A. (Department: 3752)
Fluid sprinkling, spraying, and diffusing
Including valve means in flow line
Rotary valving
C239S548000, C239S443000, C239S446000, C239S451000, C239S456000, C239S457000, C239S569000, C239S579000
Reexamination Certificate
active
06302339
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a continuously adjustable water flow control apparatus, and more particularly, to a device in which a relative position between an adjusting plate and a push sleeve can be changed by adjusting an adjustment cap to press against the adjusting plate of the adjustment head. Accordingly, a stepless change of the sectional figure and area of the water channel is attainable. In addition, the use of the continuously adjustable water flow control apparatus in combination with different kinds of shower heads and rotational devices will meet different needs of the users.
2. Description of the Prior Art
The conventional water flow control device is fitted with a water valve at the flow channel inside of the outlet to control the water flow. However, the design of this conventional device is aimed at the controlling methods (direct press control or indirect control) of all kinds of switches, outflow retaining function and outflow mode change (concentrated, dispersed spray etc.) in order to promote the using convenience.
However, the requirements of all kinds of instruments and daily necessities become more and more strict. Not only should it have basic functions with quality requirements, but also have various additional functions in order to broaden the application fields and to facilitate the application. Similarly, the structure of the outflow head (shower head) also applies thereto. Thus, how to make the shower head with more outflow modes in order to meet different requirements of promoting the using functions and broadening the application fields is a bottleneck for the related industry to make breakthrough.
SUMMARY OF THE INVENTION
It is a primary object of the present invention to provide a continuously adjustable water flow control apparatus, wherein a relative position between the adjusting plate and the push sleeve can be changed by adjusting the adjustment cap to press against the adjusting plate of the adjustment head. Accordingly, a stepless change of the sectional figure and area of the water channel is attainable.
It is a further object of the present invention to provide a continuously adjustable water flow control apparatus, wherein the use of the continuously adjustable water flow control apparatus in combination with different kinds of shower heads and rotational devices will meet different needs of the users.
REFERENCES:
patent: 641933 (1900-01-01), Canner
patent: 835612 (1906-11-01), Hartwell
patent: 922895 (1909-05-01), Helm
patent: 1013043 (1911-12-01), Mueller et al.
patent: 2556537 (1951-06-01), Harvey
patent: 2949242 (1960-08-01), Blumberg et al.
patent: 4657185 (1987-04-01), Rundzaitis
Bacon & Thomas PLLC
Evans Robin O.
Scherbel David A.
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