Stepless direction-bending device of the central rod for the umb

Details Stepless direction-bending device of the central rod for the umb Stepless direction-bending device of the central rod for the umb

1984-10-15

1986-04-15

Hafer, Robert A.

Tent, canopy, umbrella, or cane

Umbrella

Inflatable

135 25R, A45B 1700

Patent

active

045820783

ABSTRACT:
A stepless tilting mechanism for an umbrella includes a carriage slidable on a hinged upper portion of the mast and which is moved axially against a spring bias after the umbrella has been opened, in order to operate a linkage fast with the upper mast and which reacts against abuttments provided on a fixed lower portion of the mast in order to effect tilting of the upper portion on the mast relatively to the lower portion thereof.

REFERENCES:
patent: 2721569 (1955-10-01), Militano
patent: 3150671 (1964-09-01), Frey
patent: 3175568 (1965-03-01), Kafka
patent: 3182673 (1965-05-01), Small
patent: 3311119 (1967-03-01), Pearlstine
patent: 3521651 (1970-07-01), Pearlstine
patent: 3926202 (1975-12-01), Uthemann et al.

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