Flexible or portable closure – partition – or panel – With mounting – fastening – or supporting means – For framed type
Reexamination Certificate
2000-09-21
2001-07-10
Purol, David M. (Department: 3634)
Flexible or portable closure, partition, or panel
With mounting, fastening, or supporting means
For framed type
C160S371000
Reexamination Certificate
active
06257308
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a strainer screen support frame. More particularly, the present invention relates to a strainer screen support frame which can engage with a screen frame quickly.
A screen frame is often used for supporting a screen net. The screen net covers an air outlet of an air conditioning equipment in a dustless room or a building. The screen frame is fixed on a ceiling. It is cumbersome to detach the screen frame in order to replace the screen net.
SUMMARY OF THE INVENTION
An object of the present invention is to provide a strainer screen support frame which can engage with a screen frame quickly and the screen frame can be replaced easily.
Accordingly, a strainer screen support frame comprises a main shelf, a blocking panel, and an upper pressing panel. The main shelf has an upper plate, a separation plate, a guide bevel plate, a blocking plate, a click recess, and a base seat. The upper plate has a first groove. The separation plate has a second groove and a downward bar. A screen frame receiving spacing is formed between the guide bevel plate and the blocking plate. A slot is formed between the blocking plate and the base seat. The base seat has a third groove communicating with the slot, and a fourth groove. The blocking panel has a downward protruded block. The upper pressing panel has a connection edge, a downward panel, a first click groove, and a positioning groove. The upper pressing panel is disposed on the upper plate. The first click groove of the upper pressing panel engages with the click recess of the main shelf. A clearance is formed between the connection edge and the upper plate. A screen frame is disposed between the separation plate and the blocking plate. A gel is disposed on an upper portion of the screen frame. The blocking panel is inserted in the slot. An upper positioning panel has a second click groove engaging with the positioning groove of the upper pressing panel.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1
is a perspective view of a main shaft of a preferred embodiment in accordance with the present invention;
FIG. 2
is an elevational view of a main shaft of a preferred embodiment in accordance with the present invention;
FIG. 3
is a perspective exploded view of a strainer screen support frame of a first preferred embodiment in accordance with the present invention;
FIG. 4
is a partially sectional view of a strainer screen support frame of a first preferred embodiment in accordance with the present invention;
FIG. 5
is a perspective exploded view of a strainer screen support frame of a second preferred embodiment in accordance with the present invention;
FIG. 6
is a partially sectional view of a strainer screen support frame of a second preferred embodiment in accordance with the present invention; and
FIG. 7
is a sectional assembly view of a strainer screen support frame of a second preferred embodiment in accordance with the present invention.
REFERENCES:
patent: 4946484 (1990-08-01), Monson et al.
patent: 4986050 (1991-01-01), Brunetti et al.
patent: 5809730 (1998-09-01), Renz
patent: 5833727 (1998-11-01), Skarsten
patent: 5993311 (1999-11-01), Feller et al.
patent: 6070383 (2000-06-01), Jeanseau
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