US3699988A - Collapsible umbrella - Google Patents
Collapsible umbrella Download PDFInfo
- Publication number
- US3699988A US3699988A US35184A US3518470A US3699988A US 3699988 A US3699988 A US 3699988A US 35184 A US35184 A US 35184A US 3518470 A US3518470 A US 3518470A US 3699988 A US3699988 A US 3699988A
- Authority
- US
- United States
- Prior art keywords
- stretcher
- members
- umbrella
- section
- strut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
- A45B19/00—Special folding or telescoping of umbrellas
- A45B19/06—Special folding or telescoping of umbrellas with telescopic ribs
Definitions
- the present invention relates to an umbrella and more particularly to an umbrella which is collapsible when in a closed condition.
- Collapsible umbrellas of the type which are widely used include a telescopic stick of either two or three pieces and dome ribs which are generally of two parts with one telescopic on the other.
- an umbrella having a telescopic stick. a crown at one end of the stick, dome ribs hinged to the crown and each dome rib having three telescopic parts extending with the two outer parts telescoped within the first part in a closed position and the three parts being extended to the fully extended aligned position when the umbrella is in an open condition, and at least one runner slidable on the stick and articulated stretcher means between said runner and said dome rib for operably fully extending the dome rib to an open position.
- a further feature of the present invention includes an auxiliary runner mounted between the main runner and the crown for slidable movement therebetween, a strut extends from said auxiliary runner to the articulated stretcher means and the stretcher and strut members being of U-shaped construction whereby when the umbrella is in a closed condition, the strut members and the stretcher members nest one within the other.
- a second stretcher member hingedly connected to the outer dome rib member and a geats which slides on the central dome rib member; a strut member is hinged to the auxiliary runner and hingedly connected to a point spaced apart from the free end of the second stretcher member.
- Both the auxiliary strut and the first stretcher member are of U-shaped cross section and the auxiliary strut is adapted to nest completely within the second stretcher member.
- a first stretcher member is hingedly connected to the main runner and to a point intermediate of the auxiliary strut.
- the first stretcher member is also of U-shaped construction with the open side of the U facing outwardly of the stick.
- the open-face cross section of the second stretcher and the auxiliary strut are faced towards the stick.
- the first stretcher member is adapted to nest within the auxiliary strut.
- a link member is hingedly connected to the first stretcher member from a point spaced from the hinged end to the auxiliary strut.
- the link member extends parallel to the auxiliary strut and is hingedly connected to the end of the second stretcher member forming a parallelogram linkage.
- a sleeve is provided on the end of the first stretcher member which overlies the dome ribs for sliding movement thereon.
- FIG. 1 is a fragmentary elevation view of one embodiment of the umbrella in the open position
- FIG. 2 is a fragmentary view of one detail of the umbrella shown in FIG. 1 but in a different position;
- FIG. 3 is an enlarged partial bottom plan view taken along lines 3-3 in FIG. 1;
- FIG. 4 is a vertical cross section taken along the line A-B in FIG. 3;
- FIG. 5 is an enlarged partial bottom plan view taken along lines 5-5 in FIG. 1;
- FIG. 6 is a vertical cross section taken along the line C-D in FIG. 5;
- FIG. 7 is an enlarged partial plan view taken along lines 7--7 of FIG. 1;
- FIG. 8 is an elevation of the umbrella in a closed collapsed position
- FIG. 9 is a top plan view of the umbrella shown in FIG. 8;
- FIG. 10 is a fragmentary elevation of the umbrella in a closed position but not completely collapsed
- FIG. 1 1 is an enlarged vertical cross sectional view of a detail in FIG. 10;
- FIG. 12 is a schematic view illustration of an open umbrella
- FIG. 13 is an enlarged partial bottom plan view taken along lines 13-43 in FIG. 1;
- FIG. 14 is a cross section taken along the line E-F in FIG. 13;
- FIG. 15 is a cross section taken along the line GH in FIG. 13;
- FIG. 16 is an enlarged partial bottom plan view taken along line l6-16 of FIG. 1;
- FIG. 17 is a cross section taken along the line I-K in FIG. 16;
- FIG. 18 is a partial elevation of a second embodiment of an umbrella shown in an open position
- FIG. 19 is a partial elevation of the umbrella in FIG. 18 but with the auxiliary runner shown in cross section;
- FIG. 20 is a cross section of the auxiliary runner and the stick with the catch in a locking position
- FIG. 21 is a cross section taken along the line LM in FIG. 20;
- FIG. 22 is a cross section similar to FIG. 20 but with lock lever in a released position
- FIG. 23 is a cross section taken along the line N-O in FIG. 22;
- FIG. 24 is a schematic illustration of the open umbrella of FIG. 18'
- FIG. 25 is a partial bottom plan view taken along line 2525 in FIG. 18.
- FIG. 26 is a side elevation of the detail shown in FIG. 25.
- FIGS. 1 to 17 the umbrella is shown having a telescoping umbrella stick 1 comprising tubular sections 2 and 3, with tube 3 being the inside tubular section. In FIG. 1 it is locked in the extended position by the usual ball of spring catch 4.
- Tube 3 also has at its end a carrying handle 5 (FIG. 12) provided as usual with an annular recess for the accommodation of the free ends 6' of dome ribs 6.
- Main runner 7 and auxiliary runner 8 slide on umbrella stick 1.
- Tubular section 2 mounts crown 9 and dome ribs 6 are hinged thereto.
- Each dome rib 6 comprises three sections of approximately the same length, namely section 6a near the crown, central section 6b, and outer section 60. The sections telescope into each other. Whereas a U-profile is preferred for sections 6a and 6b, outer section 6c is of circular cross section.
- each dome rib 6 Associated with each dome rib 6 is a support system comprising the following components: auxiliary-runner strut 10, main runner first stretcher l1, auxiliary link 12, dome rib or second stretcher 13.
- the strut 10 is hinged to auxiliary runner 8.
- First stretcher l l is hinged to main runner 7.
- strut 10, first stretcher 1], and auxiliary link 12 are all nested into each other within second stretcher 13.
- the strut and stretchers are of U-shaped cross section of correspondingly reduced dimensions from the second stretcher 13, the strut 10 and the first stretcher 11 respectively.
- the auxiliary link 12 may, however, have a flat cross section since it enters the U-shaped profile of first stretcher 1 1.
- the second requirement for satisfactory nesting is that the strut 10, first stretcher l1, and auxiliary link 12 will all be hinged at their respective ends.
- the U-shaped profile of the strut 10 is open towards the umbrella stick 1. It subtends a hinge pin 14 at its intermediate point and the first stretcher is hinged thereto within the legs of the strut 10 as shown in FIGS. 3 and 4.
- the open U-side of the first stretcher faces away from umbrella stick 1.
- Auxiliary link 12 is hinged to a hinge 11' formed by punched depressions in the legs of the first stretcher 11 at a point spaced from hinge pin 14.
- a hinge pin may, however, be used instead of this form of hinge.
- the other end of the auxiliary link 12 is hinged to a hinge pin 16 between legs of second stretcher 13 (see FIGS. 5 and 6). At a distance from hinge pin 16 corresponding to the distance between hinge points 14 and 11' strut 10 is hinged to second stretcher 13 by means of a hinge pin 17.
- the strut l0, first stretcher 11, second stretcher l3 and auxiliary link 12 form a parallelogram linkage stabilizing the dome rib support system.
- legs 15 of the second stretcher 13 are stepped in the area of the hinge pin 16 to a spaced-apart distance X as seen in FIG. 6 which is approximately equal to the thickness of auxiliary link 12.
- the said construction produces shoulders 15 which form a supporting surface for the edges of legs 18 of strut 10 when the umbrella is open as seen in FIGS. 1 and 6.
- the legs 18 facing umbrella stick 1 are of reduced depth for an extent equal to at least the length of sleeve 8" of the auxiliary runner 8 (this is shown in FIGS. 1, 8, l0 and 18). This enables strut 10 to be folded as snugly as possible against the umbrella stick.
- the auxiliary link 12 is also designed for compact folding and nesting of the individual components constituting the support system, in that the recess or cut out 12 is provided on its edge facing strut 10 for the accommodation of hinge pin 17 connecting strut 10 to second stretcher 13 when the umbrella is closed.
- the stretcher support system is connected to the dome rib 6 by means of a dome-sliding geats 22.
- a hinge pin 23 passes between the legs of geats 22 and is adapted for movement in oblique slots 24 in each leg ascending outwardly.
- hinge pin 23 joins together three components, namely second stretcher l3, outer rib section 6c of dome rib 6, and the geats 22.
- the end of the outer rib section 6c is bent downwardly to meet the pin 23.
- the internal cross section of the geats 22 is of a size such that dome-rib section 6a, which has the largest cross section, can pass through it freely.
- the part of the legs 26 defining sewing aperture 25 are bent out in a region beyond the normal cross section thereof.
- Guide slot 24 has a controlling function.
- cover material 27, which is becoming stretched tends to pull the geats 22 in relation to dome rib 6, in the direction of arrow
- the hinge pin 23 is suitable for the function outlined above. Since it assumes a position largely free of play in relation to dome rib 6. This results from the fact that the end region of outer section 6c of dome rib 6 seated on a bent and flattened end 28, runs in a sleeve-like end zone 29 in central section 6b of the dome rib (see FIG. 16).
- front edge 31 is chamfered back towards dome material 27. Tips 32 of the legs are always safely caught by the intemal cross section of the geats 22. In addition to this, front edges 31 may be rounded off.
- a stopping means for the extending dome-rib sections is provided by means of flanges 33 in legs 34 pointing downwards from central section 6b which come up against guide tabs 36 pointing inwards and extending from legs 35 of inner dome-rib section 60.
- the end abutment for outermost section 6a of dome rib 6 forms the sleeve-like rolled end region of central dome-rib section 6b, bent end 28 coming up against front edge 37.
- the umbrella according to FIGS. 18 to 26 is of a configuration substantially comparable to that of the embodiment just described, except for the special arrangement of strut l0 and second stretcher l3 and a modified auxiliary runner 8, and the same reference numerals have therefore been used.
- strut l0 and stretcher 13 run almost in a straight line, which means that in their operative position they function as a triangular support structure with the dome ribs 6. Both are made of U-shaped cross section. The open sides of the Us point in opposite directions.
- extension 38 of second stretcher 13 extending from pin 17 towards the umbrella stick defines the extended position assumed by strut l0 and stretcher 13. The legs of the two members lock together when aligned.
- Auxiliary link 39 which in this case is made of wire of circular cross section is hooked at one end to web 40 which has a corresponding aperture 41, while at the other end it is hinged in internal space 42 of first stretcher 11, again by punched projections 11 of material.
- the end of the auxiliary link is rolled into an annular eye, and the link is also arched slightly outwards (see FIG. 26).
- auxiliary runner 8 when the umbrella is open, auxiliary runner 8 is farther away from the crown 9 than in the example previously described. ln its terminal position, it comes up against a stop 43 in umbrella-stick outer tube 2. Stop 43 is the upper edge of a recess 44 in tube 2.
- a pawl 45 serves as the catch-means for securing the umbrella stick in the position assumed.
- This pawl is a free-cut tongue in wall 8' of the auxiliary-slide bush. It acts like a latch, its latch-head 46 passing into recess 44. No separate spring is provided since the material possesses sufiicient inherent springiness.
- Catch-head 46 exhibits a control surface 47 extending over two thirds of its length and, after reaching its maximal height, it slopes back down towards the axis of the stick as far as surface 48 which cooperates with stop edge 43.
- the engaged position shown in FIG. may be released by shortening the umbrella stick, the upper edge of inside tube 3 running up on surface 47 of pawl 45 and pushing the latter outwards (see FIG. 22).
- the auxiliary slide is thus released, by overcoming the resistance, to move in either direction.
- the strut and the second stretcher When the umbrella is open, the strut and the second stretcher extend in an approximately straight line. This produces an umbrella frame, having still greater internal stability, with a simultaneous increase in headroom.
- the two members act as a single support strut which, as a result of the above-mentioned arrangement, is more difficult to deflect and occupies a minimum of space. A kind of self-locking is accomplished which keeps the heavier loads away from the catch means.
- the auxiliary link may be pre-assembled and may be made of steel wire. It is merely hooked into the web of the U-shaped dome-rib support strut. The necessary space for this is available, since both the auxiliary-slide strut and the dome-rib support strut are made of U-sections, whereby the other end of the auxiliary link may also be satisfactorily hinged-on. [n the area of the hinge location between these two members, relatively large hinge-guidance surfaces may be obtained, which also promotes high lateral stability. The stop provided for the auxiliary runner forces the latter into a favorable position for handling. The latter is provided with a catch-like pawl.
- the pawl holds the auxiliary slide in the locked position until the support system has been largely collapsed and the dome ribs partly shortened. Only after this is the catch released by the shortening of the umbrella stick, i.e. pushing the inside tube in, or by the folding of the support linkage, if the umbrella stick is not to be shortened first.
- An umbrella frame having a stick; a crown at one end of the stick; dome ribs hinged to the crown; a main runner slidably mounted on the stick; an auxiliary runner slidably mounted on the stick between the main runner and the crown; articulated stretcher means including first and second members and strut members hinged to said auxiliary runner,
- first stretcher members being hinged to said main runner and said second stretcher members being hinged to said dome ribs
- stretcher members and said strut members being of an open U- shaped construction whereby, when the umbrella frame is closed, the stretcher members and strut members nest one within the other and reduce the lateral, overall dimensions of the closed frame
- the first stretcher members being hinged to a point substantially midway of the strut members
- said first stretcher members being of a cross section smaller than that of the open U-shaped strut members and being adapted to nest in said strut members
- the strut members being hinged within the open U-shaped second stretcher members and having a cross section smaller than the second stretcher members and adapted to substantially nest within the second stretcher members when the frame is closed, the hinge point of said strut members to said second stretcher members being spaced from an inner end portion of said second stretcher members and the outer end portions of said second stretcher members being hingedly connected to said dome ribs; and auxiliary link members hinged
- dome ribs comprise telescopic linear sections including an inner, central and outer section
- the inner and central sections of the dome ribs define a continuous slot in the bottom thereof and the outer end of said central section defines a closed sleeve through which said outer section passes, abutment means are provided on the inner end of said outer section adapted to stop against the sleeve, and the inner end of said outer section is hingedly connected to said articulated stretcher means, and the inner end of said central dome rib and the outer end of said inner dome rib each include abutment means which are adapted to stop the central rib portion from extending completely out of said inner rib portion, whereby when said runner is slid upwardly along the stick, the articulated stretcher means connected pushes the outer rib member outwardly from the central rib member and as the stop means on the inner end of said outer member engages the sleeve on the central rib portion, the central rib portion is caused to telescope outwardly from the inner portion until it engages the stop means between the inner rib portion and the central rib portion whereby the dome rib is fully extended
- stop means at the end of the inner rib section includes inwardly extending short flanges extending from the legs of the ribs while the abutting means on the inner end of said central rib portion include downwardly extending, outwardly flared portions of the legs.
- said second stretcher members include an inner portion between the hinged points of said link members and the strut members for abutingly engaging beneath said strut members when the umbrella frame is open.
- first stretcher member is of U-shaped cross section and at the open side at a direction opposite to that of the strut member and the second stretcher member, a link member is hingedly connected within the first stretcher member at a point near but spaced apart from the end of the first stretcher member hinged to the strut member and the other end of said link is hingedly connected to the free end of said second stretcher member whereby the link forms a parallelogram linkage structure with the portions of the first stretcher member, the strut member. the second stretcher member, between the respective hinge ints.
- auxiliary runner includes a sleeve extending axially about the stick from the hinged portion of the runner wherein the strut member includes a portion thereof from the hinge point to a distance equal to the length of the sleeve of the auxiliary runner which is of reduced depth relative to the remainder of the strut.
- stop means are provided in the stick for locking the auxiliary runner at a distance spaced apart from the crown, whereby this lock is automatically released when the telescopic stick is shortened in length.
Landscapes
- Walking Sticks, Umbrellas, And Fans (AREA)
Abstract
Description
Claims (13)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1937887 | 1969-07-25 | ||
DE19691937889 DE1937889B1 (en) | 1969-07-25 | 1969-07-25 | Umbrella that can be shortened in length |
Publications (1)
Publication Number | Publication Date |
---|---|
US3699988A true US3699988A (en) | 1972-10-24 |
Family
ID=25757697
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US35184A Expired - Lifetime US3699988A (en) | 1969-07-25 | 1970-05-06 | Collapsible umbrella |
Country Status (1)
Country | Link |
---|---|
US (1) | US3699988A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3902514A (en) * | 1973-02-16 | 1975-09-02 | Telesco Brophey Ltd | Three-stage collapsible dome-rib umbrella |
EP1243197A1 (en) * | 2001-03-15 | 2002-09-25 | Max Wang | Umbrella with sliding connection between ribs and stretchers |
US20050092497A1 (en) * | 2003-10-29 | 2005-05-05 | Rashid Omar A. | Blow out preventer transfer platform |
US20060283490A1 (en) * | 2003-03-19 | 2006-12-21 | Eberhard Gobel | Umbrella |
-
1970
- 1970-05-06 US US35184A patent/US3699988A/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3902514A (en) * | 1973-02-16 | 1975-09-02 | Telesco Brophey Ltd | Three-stage collapsible dome-rib umbrella |
EP1243197A1 (en) * | 2001-03-15 | 2002-09-25 | Max Wang | Umbrella with sliding connection between ribs and stretchers |
US20060283490A1 (en) * | 2003-03-19 | 2006-12-21 | Eberhard Gobel | Umbrella |
US20050092497A1 (en) * | 2003-10-29 | 2005-05-05 | Rashid Omar A. | Blow out preventer transfer platform |
US7451821B2 (en) | 2003-10-29 | 2008-11-18 | Saudi Arabian Oil Company | Blow out preventer transfer platform |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: KNIRPS INTERNATIONAL GMBH, WEYERSTRASSE 277, D-565 Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:KNRIPS CANADA INC.;REEL/FRAME:004163/0425 Effective date: 19830713 Owner name: KNIRPS CANADA INC. Free format text: MERGER;ASSIGNOR:KNIRPS CANADA INC. KNIRPS CANADA LTD./LTEE;REEL/FRAME:004187/0404 Effective date: 19801009 Owner name: KNIRPS CANADA LTD.- KNIRPS CANADA LTEE Free format text: CHANGE OF NAME;ASSIGNOR:TELESCO BROPHEY LIMITED;REEL/FRAME:004187/0408 Effective date: 19760505 Owner name: KNIRPS CANADA INC., STATELESS Free format text: MERGER;ASSIGNOR:KNIRPS CANADA INC. KNIRPS CANADA LTD./LTEE;REEL/FRAME:004187/0404 Effective date: 19801009 Owner name: KNIRPS CANADA LTD.- KNIRPS CANADA LTEE, STATELESS Free format text: CHANGE OF NAME;ASSIGNOR:TELESCO BROPHEY LIMITED;REEL/FRAME:004187/0408 Effective date: 19760505 |