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US 7,406,726 B2Granted
Folding hammock stand or frame
OwnerJianrong Denginventor
Life of this patent
Estimating the term…
Abstract
Four cross member struts, two on each long side of an open hammock frame, permit full collapse of the frame for closure and transportation when the cross member struts are composed of an unbroken tube pivotally connected with a second tube divided into two overlapping sections.
Claims10
A collapsible, foldable hammock comprising:
- a pair of end frames (12), each having first (14) and second (16) stand up legs;
- first (26), second (28), third (30) and fourth (32) tubes, each having a first end pivotally connected to a lower end of one of said first and second legs of said frames;
- first and second straps respectively spanned across said first and second legs of each of said pair of said end frames;
- fifth (50), sixth (52), seventh (54) and eighth (56) tubes having a first end pivotally connected to one of said first and second legs of said frames at ends of said straps;
- ninth (40) and tenth (44) tubes pivotally connected together at one end at a first point (41);
- eleventh (42) and twelfth (46) tubes pivotally connected together at one end at a second point (43);
- a thirteenth tube (84) having a first end pivotally connected with said ninth (40) and tenth (44) tubes at said first point (41) and a second end pivotally connected with said second (28) and fourth (32) tubes at a third point (37);
- a fourteenth tube (82) having a first end pivotally connected with said eleventh (42) and twelfth (46) tubes at said second point (43) and a second end pivotally connected with said first (26) and third (30) tubes at a fourth point (35);
- with said fifth tube (50) overlapping a portion of said ninth tube (40) and pivotally connected therewith, with said eleventh tube (42) overlapping a portion of said sixth tube (52) and pivotally connected therewith, with said tenth tube (44) overlapping a portion of said seventh tube (54) and pivotally connected therewith, and with said eighth tube (56) overlapping a portion of said twelfth tube (46) and pivotally connected therewith;
- with said thirteenth tube (84) and said fourteenth tube (82) being pivotally connected midway along the lengths thereof at a fifth point (85);
- and with 4 removable pins respectively inserted between said fifth (50) and ninth (40) tubes, between said eleventh (42) and sixth (52) tubes, between said tenth (44) and sixth (54) tubes, and between said eighth (56) and twelfth (46) tubes.
8 more elements
Dependencies are inferred from the claim text.