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Document |
Document Title |
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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...
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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...
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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...
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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...
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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...
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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...
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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-...
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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...
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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...
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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...
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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...
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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...
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2678094 |
Control mechanism for roller shades or awnings
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2614629 |
Shade roller
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2586340 |
Window shade roller
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2487741 |
Shade roller mechanism
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2172459 |
Shade roller fixture
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2040301 |
Roller shade mechanism
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2031473 |
Shade roller
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2031459 |
Shade roller
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1758961 |
Shade-roller latch
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1729133 |
Curtain roller
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1654663 |
Windlass mechanism
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1500585 |
Spring roller
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1395297 |
Curtain-fixture
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1362910 |
Conveyer-roller
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1352410 |
Shade-roller
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1329992 |
Window-shade holder
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RE13103 |
Title is not available
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1302969 |
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1242362 |
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1232729 |
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1230611 |
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1219100 |
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1134727 |
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1132830 |
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1019654 |
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1019653 |
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1013532 |
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1013531 |
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1008748 |
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0961680 |
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0953842 |
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0949304 |
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0896889 |
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0866200 |
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0831137 |
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0823745 |
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0808722 |
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0756238 |
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