Portable hanging cot

Details Portable hanging cot Portable hanging cot

2006-05-30

2006-05-30

Trettel, Michael (Department: 3673)

Beds

Hammocks

Fabric hammocks

C005S123000, C005S127000, C005S187000

Reexamination Certificate

active

07051385

ABSTRACT:
A portable, suspendable cot used in rock climbing and the like includes a collapsible frame supporting a webbing therebetween. The frame includes linkages that pivot from a parallel orientation in a closed position to an orthogonal angle (for rectangular frames) or an acute angle (for trapezoidal frames) in an open position. The linkages further comprise couplings that complete the framework and use gravitational forces to enhance the linkages, forming a secure platform that resists warping. Cabling connects the respective linkages and supports the frame so as to be suspendable from a central apex vertically displaced from the frame. The cabling can pass through a free end of the pivoting links to guide the free end to the coupling, and preserve a closed loop for the respective elements of the frame.

REFERENCES:
patent: 1150008 (1915-08-01), Ampt
patent: 4375110 (1983-03-01), Murphy
patent: 5170520 (1992-12-01), Milliken
patent: 5511258 (1996-04-01), Barr, Sr.
patent: 5673444 (1997-10-01), Middendorf
patent: 5860175 (1999-01-01), Saiki
patent: 5898960 (1999-05-01), Hill

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