Umbrella cover comprising extensible cylindrical roll

Details Umbrella cover comprising extensible cylindrical roll Umbrella cover comprising extensible cylindrical roll

1991-05-29

1992-09-15

Scherbel, David A.

Tent, canopy, umbrella, or cane

Umbrella

Having storing case

150154, 224915, 220 8, A45B 1500

Patent

active

051469405

ABSTRACT:
An umbrella cover for covering a closed umbrella is provided. The umbrella cover comprises a cylindrical roll of a spirally wound strip which may be elongated by axially pulling out the outer end of the the wound strip. The inner end of the wound strip is secured to the ferrule of the umbrella. The strip has formed therein a plurality of parallel slits extending at a predetermined tilt angle in relation to the longitudinal axis of the strip, and a plurality lips which have a configuration capable of engaging with the slit. The strip is wound such that the lip in one turn of the spirally wound strip is engaged with the slit in the adjacent turn of the wound strip so that the lip can slide along the slit upon elongation of the cylindrical roll, and such an engagement of the lips in the slit prevents the wound strip from being excessively pulled out. The strip may comprise two overlaid film tapes each having the slits or the lips formed therein, or one film tape having the both.

REFERENCES:
patent: 1270462 (1918-06-01), Thueringer
patent: 1289269 (1918-12-01), Rucker
patent: 2742913 (1956-04-01), Weisblatt
patent: 3285459 (1966-11-01), Gahm
patent: 3338474 (1967-08-01), Olson
patent: 3471058 (1969-10-01), Latham et al.
patent: 4557378 (1985-12-01), Klebold
patent: 4940138 (1990-07-01), Hornstein

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