Patent ID: 8251120
Filing Date: 2012-08-28
Classification: E06B

Abstract:
1. A cordless blind structure, comprising: a blind body further comprising a batten and a shade having an end disposed at an outer edge of the batten; a first end holder movably disposed at a first end of the batten; a second end holder movably disposed at a second end of the batten; a limiting mechanism disposed between the blind body and the second end holder, the limiting mechanism comprising a resilient unit and an axial unit, the resilient unit being movably disposed at the second end holder, and the axial unit being movably disposed at the second end holder, controllably coupled to the resilient unit, and coupled to the second end of the batten; and wherein the resilient unit further comprises a constant-force spring and baffles flanking the constant-force spring, the constant-force spring having an end disposed at the second end holder and another end coupled to the axial unit.