Claims
- 1. A visual panel comprising:
- a frame;
- a flexible sheet having swollen portions at opposing edge portions thereof, respectively;
- sheet stretching means for slidably accommodating said swollen portions at said opposing edge portions of said sheet and for stretching said sheet over said frame; and
- tension adjusting means for adjusting a tension to be applied to said sheet;
- said stretching means comprising a first stretching device for accommodating one of said swollen portion portions at one edge portion of said sheet and a second stretching device for accommodating another of said swollen portions at the other edge portion of said sheet;
- said first stretching device and said second stretching device each being provided with a hole for accommodating said swollen portions at said edge portions, respectively, of said sheet and a slit through which said edge portion of said sheet continuing to said swollen portion is extended,
- said second stretching device being disposed movably with respect to said frame,
- said tension adjusting means comprising a rotatable arm rotatably mounted on said frame by means of a pivotal pin, a screw having one end rotatably and pivotally connected to said rotatable arm, and a nut member threadedly fitted to a screw portion of said screw and rotatably mounted on said frame,
- said tension adjusting means being provided between said second stretching device and said frame.
- 2. A visual panel according to claim 1, wherein said first stretching device is secured to said frame.
Priority Claims (1)
Number |
Date |
Country |
Kind |
3-306627 |
Oct 1991 |
JPX |
|
RELATED APPLICATIONS
This application is a continuation-in-part of application Ser. No. 8/039,070, filed Apr. 8, 1993 now U.S. Pat. No. 5,398,436.
US Referenced Citations (21)
Foreign Referenced Citations (35)
Number |
Date |
Country |
801261 |
Feb 1964 |
AUX |
3622168 |
Mar 1970 |
AUX |
8848582 |
Mar 1983 |
AUX |
1116588 |
Aug 1988 |
AUX |
1233988 |
Sep 1988 |
AUX |
1041268 |
Oct 1978 |
CAX |
1219111 |
Mar 1987 |
CAX |
1294752 |
Jan 1992 |
CAX |
0078391 |
May 1983 |
EPX |
0132495 |
Feb 1985 |
EPX |
0136400 |
Apr 1985 |
EPX |
0294301 |
Dec 1988 |
EPX |
0296863 |
Dec 1988 |
EPX |
0389104 |
Sep 1990 |
EPX |
2255448 |
Mar 1974 |
FRX |
2572832 |
May 1986 |
FRX |
2624062 |
Jun 1989 |
FRX |
2217826 |
Oct 1973 |
DEX |
2336733 |
Feb 1975 |
DEX |
2407552 |
Aug 1975 |
DEX |
2817210 |
Nov 1978 |
DEX |
3142829A1 |
May 1983 |
DEX |
3412064A1 |
Oct 1985 |
DEX |
51-42783 |
Oct 1976 |
JPX |
55-29454 |
Feb 1980 |
JPX |
57-66936 |
Apr 1982 |
JPX |
61-21367 |
Feb 1986 |
JPX |
63-115171 |
Jul 1988 |
JPX |
64-38672 |
Mar 1989 |
JPX |
1-229109 |
Sep 1989 |
JPX |
1-136975 |
Sep 1989 |
JPX |
287283 |
Jul 1990 |
JPX |
2-190890 |
Jul 1990 |
JPX |
1482687 |
Aug 1977 |
GBX |
2226591 |
Jul 1990 |
GBX |
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
039070 |
Apr 1993 |
|