US3693643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible umbrella
Assignee: KNIRPS INTERNATIONAL A GERMAN CORP GmbH
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Filing: 1969-12-18
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Granted: 1972-09-26
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Expires: 1989-12-18
Abstract
Abstract Collapsible umbrella having telescoping roof-supporting ribs and stick includes a plurality of rods each extending beneath the roofing material of the umbrella in a direction parallel to a roof-supporting rib thereof and having an upper end located adjacent the upper end of the respective rib. The rods extend from the upper ends thereof, in detelescoped condition of the umbrella, a distance substantially equal to half the distance between the normally upper end of the stick and the upper end of a respective lower telescoping rib portion. The rod and the respective rib are separate from and movable relative to one another.
Inventors
- 👤 Heinz Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:35
CPC Classifications
A; A45; A45B; A45B19/00
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
328 words
Collapsible umbrella comprising a stick formed of portions adapted to be telescoped within one another in telescoped condition of the umbrella and to be extended in alignment with one another in de-telescoped condition of the umbrella, a handle located at a normally lower end of said stick, a system of roofsupporting ribs each including an upper rib portion pivotally linked to the normally upper end of said stick at least another lower rib portion telescoping said upper rib portion, and a sleeve secured to the upper end of said lower rib portion for telescopically guiding said lower rib portion along said upper rib portion, a runner displaceable along said stick, a plurality of struts each pivotally linked with said runner and with one of said roof-supporting ribs at said sleeve thereof, means for locking said runner in open and closed condition of the umbrella, flexible roofing material located on the outside of said ribs, said material being secured to said normally upper end of said stick, to the free ends of said ribs and, through said sleeve, to the upper end of said lower telescoping rib portions, and a plurality of rods each extending beneath said roofing material in a direction parallel to and spaced from a roof-supporting rib respectively, each of said rods having an upper end located adjacent the upper end of the respective roof-supporting rib, said rods extending from said upper ends thereof, in the detelescoped condition of the umbrella, a distance substantially equal to half the distance between the normally upper end of the stick and the upper end of the respective lower telescoping rib portion, said rod and said respective roof-supporting rib being separate from one another, said rod being constrained to move substantially in its entirety away from said respective roofsupporting rib, in the telescoped condition of the umbrella so as to provide increased space between said rod and said respective rib for receiving therein a folded portion of said roofing material.
Claim 2
Dependent Claim
328 words
Collapsible umbrella comprising a stick formed of portions adapted to be telescoped within one another in telescoped condition of the umbrella and to be extended in alignment with one another in de-telescoped condition of the umbrella, a handle located at a normally lower end of said stick, a system of roofsupporting ribs each including an upper rib portion pivotally linked to the normally upper end of said stick at least another lower rib portion telescoping said upper rib portion, and a sleeve secured to the upper end of said lower rib portion for telescopically guiding said lower rib portion along said upper rib portion, a runner displaceable along said stick, a plurality of struts each pivotally linked with said runner and with one of said roof-supporting ribs at said sleeve thereof, means for locking said runner in open and closed condition of the umbrella, flexible roofing material located on the outside of said ribs, said material being secured to said normally upper end of said stick, to the free ends of said ribs and, through said sleeve, to the upper end of said lower telescoping rib portions, and a plurality of rods each extending beneath said roofing material in a direction parallel to and spaced from a roof-supporting rib respectively, each of said rods having an upper end located adjacent the upper end of the respective roof-supporting rib, said rods extending from said upper ends thereof, in the detelescoped condition of the umbrella, a distance substantially equal to half the distance between the normally upper end of the stick and the upper end of the respective lower telescoping rib portion, said rod and said respective roof-supporting rib being separate from one another, said rod being constrained to move substantially in its entirety away from said respective roofsupporting rib, in the telescoped condition of the umbrella so as to provide increased space between said rod and said respective rib for receiving therein a folded portion of said roofing material.
Claim 3
Dependent Claim
56 words
Collapsible umbrella according to claim 1, wherein each rod is formed of a U-shaped two-legged wire spring adapted to be spread away from said stick and said roof-supporting ribs in the closed condition of the umbrella, the free ends of said wire spring being clamped at a location substantially near the upper end of said stick.
Claim 4
Dependent Claim
19 words
Collapsible umbrella according to claim 1, wherein all of said rods are formed of a single length of wire.
Claim 5
Dependent Claim
17 words
Collapsible umbrella according to claim 1, wherein said rods are equal in number to said roof-supporting ribs.
Claim 6
Dependent Claim
15 words
Collapsible umbrella according to claim 1, wherein said rods are connected to said roofing material.
Claim 7
Dependent Claim
37 words
Collapsible umbrella according to claim 1, wherein said roofing material comprises a plurality of sector-shaped panels connected to one another by stitching so as to define tubular pockets therebetween, said rods being received in said tubular pockets.
Claim 8
Dependent Claim
27 words
Collapsible umbrella according to claim 1, wherein both said rod and said respective roof-supporting rib are movable, and said rod is firmly connected to said roofing material.
Claim 9
Dependent Claim
51 words
Collapsible umbrella according to claim 2, including an umbrella crown located at said upper end of said stick and a threaded cap threadedly mounted on said crown, said free ends of said wire spring being fixedly clamped between a part of said threaded cap and a part of said umbrella crown.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-09-26 | 1976-03-27 | 1976-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-26 | 1980-03-27 | 1980-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-26 | 1984-03-27 | 1984-09-26 | $7700.00 | Window Closed / Lapsed |