Portable blind with automatic opening top

Details Portable blind with automatic opening top Portable blind with automatic opening top

1986-01-27

1988-01-05

Hafer, Robert A.

Tent, canopy, umbrella, or cane

Portable shelter

Cone-shaped type

135113, 135901, 135 88, E04H 1506, E04H 1500, E04H 1548

Patent

active

047169192

ABSTRACT:
Blind (8) is constructed with a tubular frame structure (10) and a tubular, automatic, bidirectionally opening top (12). The tubular elements of frame structure (10) are interconnected by upper and lower corner connectors (19) and (20). Top (12) is composed of a plurality of generally U-shaped rafter assemblies (40F, 40I and 40R) pivotally mounted on frame structure (10) to rotate about a common axis of rotation (48). A resilient cord (72) transversely spans the rafter assemblies and is connected to the forward rafter assembly (40F) and rearward rafter assembly (40R). Quick release latches interconnect the forward and rearward rafter assemblies to the upper portions of frame structure (10). When a particular latch assembly is released, the resilient cord (72), being in stretched condition, causes the rafter assemblies to automatically pivot in concert about common pivot axis (48) in the direction away from the released latch thereby to shift top (12) into open position.

REFERENCES:
patent: 124239 (1872-03-01), Winslow
patent: 1125484 (1915-01-01), Danyi
patent: 1519691 (1924-12-01), Mizrahi
patent: 2142851 (1939-01-01), Jolly
patent: 2488809 (1949-11-01), Denn
patent: 2798501 (1957-07-01), Oliver
patent: 2877722 (1959-03-01), Peat
patent: 3424178 (1969-01-01), Yazaki
patent: 3441037 (1969-04-01), Transeau
patent: 4558713 (1985-12-01), Hagler et al.

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