主权项 |
1. A first barrier assembly comprising:
a sheet wound into a sheet roll having a hollow center to form a retracted configuration, said sheet being configured for unwinding from the sheet roll to form an outstretched barrier, said sheet having a leading edge; a pullout frame having a handle tube and an attaching bar, said leading edge of the sheet being attached to an attaching bar; a base housing adapted for placement onto a ground surface, said base housing containing a rear vertical extension and a front vertical extension; a tie rod having a hollow center, a top opening and a bottom opening, said bottom opening being adapted for placement onto the rear vertical extension of the base housing; a reel tube adapted to fit inside the sheet roll, said reel tube being adapted to slide over the front vertical extension of the base frame; a torsion spring roll adapted to tightly fit inside the reel tube; said torsion spring roll being adapted for applying tension onto the outstretched barrier; and a locking assembly attached to the top of the sheet roll and the top of the tie rod, said locking assembly comprising: an upper housing member; a middle housing member having a bottom opening and a plurality of teeth; a compression spring placed inside the middle housing member; a gear member having a center opening and a plurality of teeth, said gear member being placed inside the middle housing member over the compression spring; and a knob adapted for placement onto a top side of the upper housing member, said knob being configured for switching between a lock position and an unlock position, wherein, in the lock position, the knob applies a downward pressure on the gear, said upper housing member and middle housing member combining to form an enclosure, said gear member and said compression spring being contained inside said enclosure, said enclosure being placed onto the top of the sheet roll and the top of the reel tube such that the gear member is engaged with a slot disposed at the top of the reel tube, and such that in the lock position the gear locks the barrier assembly and prevents movement of the sheet and, in the unlock position, sheet movement is unrestrained. |