Matches 1 - 50 out of 78 1 2 >
Match Document Document Title
7147030 Operation group for curtains with winding up roll  
An operation group for use with a curtain winding roll is described relative to a first embodiment and a second embodiment (G 1 , G 2 ), the first for automatically and the second for manually...
6529323 Sheet take-up device for a projection screen and the like  
To provide a sheet take-up device for a projection screen and the like, said device being capable of simplifying the device in structure by omitting a one-way clutch and reducing components in...
5586631 Window shade  
A window shade, in which a winding shaft, which is rotatably mounted with its ends on stationary pivot pins, can be coupled with a drive member at one of its ends. At least one rolling body is...
5566741 Roll screen apparatus  
A roll screen apparatus improved in operation and manufacturing, wherein the winding up and down of the roll screen are effected in such a manner so that the rotation of the pulley, by the pulling...
5392887 Bi-directional tapered roller clutch  
A relatively light duty cone type clutch suitable for use in window blind or shade mechanisms is disclosed. As contrasted with conventional cone type clutches, the disclosed embodiment includes a...
5099906 Roller screen unit  
In the roller screen unit of the present invention, a clutch mechanism based on centrifugal effect using balls is provided with a ratchet member in which a cylindrical portion having notches...
4466475 Device for driving and stopping a roll blind  
A device for driving and stopping a roll blind including a blind cloth and a winding roll for winding up and unwinding the blind coth, which includes a clutch mechanism which is actuated to its ON-...
4345636 Roller screen unit  
A roller screen unit including an outer sleeve, an intermediate sleeve loosely received in the outer sleeve, a core member loaded with an elongated spiral spring and received in the intermediate...
4305447 Shade roller latch  
A shade roller latch comprises a latch member in a bore in a stationary stem. This latch member can fall by gravity into a notch in the inside circumferential surface of a shell rotatable with the...
4250942 Clutch mechanism  
A ball clutch mechanism in a spring motor for a tubular roller-blind rod or the like. The clutch includes a hub or outer clutch member rotatably mounted on a cylindrical portion of a shaft made of...
4009745 Window shade support roller and method of assembling  
A window shade support roller having an improved spring motor construction and method of manufacture includes a spring retaining structure which holds a driving spring and a spear structure having...
3763916 WINDOW SHADE MOTOR  
A window shade motor includes improved apparatus for securing a spring to a body element of the motor. The body element has a recess and the spring includes a bent portion near its end. The bent...
2678094 Control mechanism for roller shades or awnings  
2614629 Shade roller  
2586340 Window shade roller  
2487741 Shade roller mechanism  
2172459 Shade roller fixture  
2040301 Roller shade mechanism  
2031473 Shade roller  
2031459 Shade roller  
1758961 Shade-roller latch  
1729133 Curtain roller  
1654663 Windlass mechanism  
1500585 Spring roller  
1395297 Curtain-fixture  
1362910 Conveyer-roller  
1352410 Shade-roller  
1329992 Window-shade holder  
RE13103 Title is not available  
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Matches 1 - 50 out of 78 1 2 >