Umbrella rib tipping system

Details Umbrella rib tipping system Umbrella rib tipping system

1984-10-24

1987-01-06

Hafer, Robert A.

Tent, canopy, umbrella, or cane

Umbrella

Having storing case

135 36RT, A45B 1500, A45B 2518

Patent

active

046338942

ABSTRACT:
A system in which an umbrella's cover is connected to a rib tip by clamping (and not tying) the cover to the rib tip. The clamp connector is structured so that the clamping pressure between the umbrella's cover and rib tip is actually increased as the umbrella is opened in response to the cover being drawn taut over the ribs. The clamp connector, in preferred form, includes a ring receivable on a ring seat, the cover being clamped between the ring and ring seat, and the ring seat being receivable on the end of a rib tip.

REFERENCES:
patent: 643641 (1900-02-01), Fraser
patent: 1060712 (1913-05-01), Schultz et al.
patent: 1591880 (1926-07-01), Ornstein
patent: 2230640 (1941-02-01), Feller
patent: 2504221 (1950-04-01), Ornstein et al.
patent: 2624357 (1953-01-01), Cutrone et al.
patent: 4089416 (1978-05-01), Sins

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