Wind-up mechanism for a tiltable umbrella

Details Wind-up mechanism for a tiltable umbrella Wind-up mechanism for a tiltable umbrella

1982-04-23

1983-06-07

Skogquist, Harland S.

Tent, canopy, umbrella, or cane

Umbrella

Inflatable

242 96, 24211841, A45B 1700

Patent

active

043866212

ABSTRACT:
A wind-up mechanism for a tiltable umbrella is mounted on the umbrella pole for opening the umbrella and then tilting same in response to the winding of respective first and second portions of the same flexible cable. The wind-up mechanism comprises a rotatable wind-up shaft and a wind-up spool connected to the cable and rotatable in response to the rotation of the shaft. The spool comprises first and second axial sections of unequal diameters, with the first axial section being relatively larger for winding the first portion of the cable and the second axial section for winding the second portion of the cable, whereby the wind-up mechanism opens the umbrella at a relatively higher speed than during tilting.

REFERENCES:
patent: 2595697 (1952-05-01), Pereira
patent: 2721569 (1955-10-01), Militano
patent: 3150671 (1964-09-01), Frey
patent: 3434590 (1969-03-01), Laughlin
patent: 3985359 (1976-10-01), Moore
patent: 4076185 (1978-02-01), Dorph

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