US 11,242,712 B2Granted

Vertical blinds

AssigneeAbo Window Fashion Corp.

InventorShan-Chi Chuang

Life of this patent

Estimating the term…

Abstract

A vertical blind structure has: an upper track, at least one track set and a plurality of blades. The upper track with an adjustable length has an inner track and an outer track, and the inner track and the outer track are disposed on a same side and connected to each other with a connecting track. The inner and outer tracks of the upper track respectively have an engaging portion and further have a plurality of clamping members. The at least one track set has a plurality of sliding tracks parallel with each other, and each sliding track has a positioning groove and a corresponding limiting groove at two opposite sides and a storing groove at a bottom side. An end of each positioning groove of the sliding track comprises a sliding block.

Claims9

Dependent claims

A vertical blind structure comprising:

an upper track with an adjustable length having an inner track and an outer track, the inner track and the outer track connected to each other, the upper track further having a plurality of clamping members, each clamping member comprising at least two hook-and-loop fastening strips configured for securing a curtain trim;
a first track set having a plurality of sliding tracks in parallel with each other, each sliding track having a positioning groove and a corresponding limiting groove, the positioning groove and the corresponding limiting groove of each sliding track being on opposite sides of the sliding track, each sliding track further comprising a storing groove at a bottom side thereof;
an end of the positioning groove of each sliding track comprising a sliding block, each sliding block of the respective sliding track comprising a blocking plate blocking one end of the storing groove of the respective sliding track;
the sliding block of at least one of the sliding tracks slidably disposed in the limiting groove of a respective adjacent sliding track;
a respective limiting block having an elastic buffering piece disposed at a front end of the limiting groove of each sliding track, a rotatable block pivoted onto each limiting block and configured to selectively block another end of the storing groove of the respective sliding track;
a respective connecting rib disposed on each sliding track, each connecting rib connected to a respective connecting block, each connecting block having a first slidable fastening portion, and a connecting portion with a corresponding length connected to the respective connecting rib, wherein the first slidable fastening portions of the connecting blocks align with each other;
the connecting block of a first sliding track of the plurality of sliding tracks further having a rope securing portion, a second sliding track of the plurality of sliding tracks further having a positioning block on the connecting rib of the second sliding track engaging with the upper track;
and
a plurality of blades each having a strip disposed in the storing groove of a respective sliding track and limited between the blocking plate and the rotatable block at the two ends of the storing groove.

6 more elements

Dependencies are inferred from the claim text.

patentgrep

Loading patent…

Abstract

A vertical blind structure comprising:

an upper track with an adjustable length having an inner track and an outer track, the inner track and the outer track connected to each other, the upper track further having a plurality of clamping members, each clamping member comprising at least two hook-and-loop fastening strips configured for securing a curtain trim;
a first track set having a plurality of sliding tracks in parallel with each other, each sliding track having a positioning groove and a corresponding limiting groove, the positioning groove and the corresponding limiting groove of each sliding track being on opposite sides of the sliding track, each sliding track further comprising a storing groove at a bottom side thereof;
an end of the positioning groove of each sliding track comprising a sliding block, each sliding block of the respective sliding track comprising a blocking plate blocking one end of the storing groove of the respective sliding track;
the sliding block of at least one of the sliding tracks slidably disposed in the limiting groove of a respective adjacent sliding track;
a respective limiting block having an elastic buffering piece disposed at a front end of the limiting groove of each sliding track, a rotatable block pivoted onto each limiting block and configured to selectively block another end of the storing groove of the respective sliding track;
a respective connecting rib disposed on each sliding track, each connecting rib connected to a respective connecting block, each connecting block having a first slidable fastening portion, and a connecting portion with a corresponding length connected to the respective connecting rib, wherein the first slidable fastening portions of the connecting blocks align with each other;
the connecting block of a first sliding track of the plurality of sliding tracks further having a rope securing portion, a second sliding track of the plurality of sliding tracks further having a positioning block on the connecting rib of the second sliding track engaging with the upper track;
and
a plurality of blades each having a strip disposed in the storing groove of a respective sliding track and limited between the blocking plate and the rotatable block at the two ends of the storing groove.

6 more elements