Tent – canopy – umbrella – or cane – Umbrella – Self-opening and closing
Patent
1979-02-08
1981-09-22
Miller, J. D.
Tent, canopy, umbrella, or cane
Umbrella
Self-opening and closing
9 14, 135 15PQ, B63B 700
Patent
active
042901570
ABSTRACT:
A collapsible boat comprising a first longitudinal main beam terminating in an upwardly bow and stern member; a plurality of longitudinal rib members forming the gunwales and the stringers. The ends of the gunwales and stringers are joined in opposed pairs and each joined pair is held under tension in bracket members provided on the bow and stern members respectively of the main beam member. A plurality of transverse formers are spaced apart and include U-shaped members for retaining the gunwales and stringers in the proper spaced-apart position and a skin extends across the so-formed skeleton and is attached to the gunwales. All of the stringers and gunwales are made of detachable, separate, elongated, tubular members.
REFERENCES:
patent: 381137 (1888-04-01), Hodges
patent: 507439 (1893-10-01), King
patent: 1920130 (1933-07-01), Pease et al.
patent: 2053755 (1936-09-01), Wilcox
patent: 2589087 (1952-03-01), Jarvi
patent: 3004370 (1961-10-01), Tinnerman
patent: 3070816 (1963-01-01), Lewis
patent: 3383719 (1968-05-01), Van Der Heide
patent: 3755063 (1973-08-01), Massey et al.
patent: 3834410 (1974-09-01), Leibel
patent: 3869743 (1975-03-01), Brown et al.
patent: 3932049 (1976-01-01), Hirato
patent: 4110951 (1978-09-01), Padrum
patent: 4124910 (1978-11-01), Raymond
Eisenzopf Reinhard J.
Miller J. D.
LandOfFree
Collapsible boat does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Collapsible boat, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Collapsible boat will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-328747