Roller shade apparatus
AssigneeYachiyo Industry Co., Ltd.
InventorsYoshitaka Higuchi, Moto Kikuchi
Life of this patent
Estimating the term…
Abstract
This roller shade device is provided with: a shade; a shade take-up roller for taking up the shade; wires which are attached to the shade; wire take-up rollers which are disposed with the axial centers thereof offset from the shade take-up roller and which are used for taking up the wires; reversal pulleys for reversing the direction of the wires; tension imparting means for imparting tension to the shade and the wires by application of bias such that the shade take-up roller and the wire take-up rollers are separated from the reversal pulleys; and interlocking rotating means for rotating the shade take-up roller and the wire take-up rollers in an interlocked manner. According to this roller shade device, a large width can be secured for the shade.
Claims7
A roller shade apparatus comprising:
- a shade;
- a shade rollup roller which rolls up the shade;
- a wire which is attached to the shade;
- a wire rollup roller which is disposed with an axis thereof shifted relative to the shade rollup roller and which rolls up the wire;
- a reverse pulley which reverses the wire;
- and
- cooperation-rotation means for allowing the shade rollup roller and the wire rollup roller to rotate in a cooperated manner without using the shade or the wire, both when the shade is unrolled and when the shade is rolled.
A roller shade apparatus comprising:
- a shade;
- a shade rollup roller which rolls up the shade;
- a wire which is attached to the shade;
- a wire rollup roller which is disposed with an axis thereof shifted relative to the shade rollup roller and which rolls up the wire;
- a reverse pulley which reverses the wire;
- and
- cooperation-rotation means for allowing the shade rollup roller and the wire rollup roller to rotate in a cooperated manner.
Dependencies are inferred from the claim text.