Tent – canopy – umbrella – or cane – Umbrella – Inflatable
Patent
1985-11-01
1987-10-06
Hafer, Robert A.
Tent, canopy, umbrella, or cane
Umbrella
Inflatable
135112, 135DIG9, A45B 1700
Patent
active
046976060
ABSTRACT:
In an umbrella having a generally vertical two-part central shaft with a first fixed lower support post, and a second upper support post, which is pivotally attached to the upper end of the lower support post, an openable closeable umbrella cover carried by the upper end of the upper post, and a runner adapted to be driven upward along the lower support post and over the juncture of the two support posts onto the upper post for expanding the cover a drive gear tram is included for raising the runner and another second gear for tilting the upper support post relative to the lower support post including, also, a first gear rack extending from the juncture of the two support posts downward along the lower support post and is secured thereto. A second gear rack extends from the juncture upward along the upper post and is secured thereto. The two gear racks are substantially contiguous when the upper post is in vertical alignment with the lower post. A drive gear train is carried by the runner and cooperates with the gear racks for driving the runner upward. A second gear is carried by the lower support post proximate the juncture and is adapted to drivingly tilt the upper post relative to the lower post and to selectively retain the upper post in a tilted position. A removable operating handle is adapted to be selectively used to drive either the drive gear train or the second gear.
REFERENCES:
patent: 2485118 (1949-10-01), Simpson
patent: 2503032 (1950-04-01), Samelson
patent: 2661752 (1953-12-01), Kampe et al.
patent: 3044478 (1962-07-01), Russell
patent: 4000750 (1977-01-01), Becher
patent: 4132236 (1979-01-01), Petersen et al.
Arant Gene W.
Hafer Robert A.
Jodziewicz Matthew F.
Muir D. Neal
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