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Class 135/23 - Tensioned rib and stretcher


Subclass of Class 135 - Tent, canopy, umbrella, or cane
Definition: Self-opening and closing umbrellas wherein the means of
No. of patents: 32
Last issue date: 07/01/2008


NumberTitleIssue Date
7392816Adjustable shade-providing building structure
A shade structure includes a vertical column and a roof having a cover, a framework supporting the cover, and a mount attached for rotational adjustment to a top of the column and supporting the roof on the column. The framework includes a triangularly-shaped main b...
07/01/2008
7252103Opening device of automatic umbrella
Provided is an opening device mounted on a shank of automatic umbrella including a sliding sleeve having a lower extension and a slot on the extension. The device comprises an upper trigger mechanism lockingly engaged with the extension in a closed condition of the ...
08/07/2007
6918399Automatic umbrella
The present invention relates to an automatic umbrella, which mainly uses an elastic frame to receive the second rib of the umbrella. The elastic frame can be connected with the runner easily. In opening procedure, the elastic branch rib of the elastic frame can be ...
07/19/2005
6814093Auto-opening umbrella with enhanced spreaders
An enhanced frame of an auto-opening umbrella comprises hollow cylindrical intermediate joints with spreaders passed through and each including two spaced bottom lugs, a bar across the lugs, and a recess between the lugs. The bar is disposed less than half of a proj...
11/09/2004
6810894Automatic folding umbrella
An automatic folding umbrella is disclosed. Operation of opening and retracting the umbrella is performed by the controlling device installed in the handle, The umbrella comprises of a set of telescopic shafts which includes an upper shaft, a middle shaft and a lowe...
11/02/2004
6715504Stick umbrella with reinforced frame
The present invention relates to a stick type umbrella with reinforced frame including a shaft, which connects with a frame having several sets, such as six sets or eight sets, of main ribs and stretchers. The frame is to provide with two different rib-set structure...
04/06/2004
6708704Structure for automatic opening umbrella
The present invention relates to a structure for automatic opening umbrella, which mainly includes a runner having a middle connector and a lower connector. A main rib of umbrella frame has its inner end to connect with the upper joint. A supporting rib has its inne...
03/23/2004
6668845Multiple-fold automatic umbrella as ergonomically constructed and manipulated
A multiple-fold automatic umbrella includes: a central shaft, a rib assembly including a top rib, a stretcher rib, at least an intermediate rib and a tail rib pivotally connected one another and pivotally connected to the central shaft, an opening spring,...
12/30/2003
6588438Free-arm shade
The free-arm shade has radial shade ribs (6), support ribs (7) attached to the latter, and a shade rod slide (8) that is freely attached to support ribs (7). It also has a decentral pole (1) standing outside the shade. One of the shade ribs is vertically ...
07/08/2003
6397866For spring mechanism for large umbrella with automatic open feature
An auxiliary elastic support mechanism for a large umbrella with automatic open feature is provided. The umbrella is supported by a plurality of ribs and a plurality of spreaders. The mechanism comprises a plurality of rib joint members each put on the ri...
06/04/2002
6374840Cordless patio umbrella
A patio umbrella has a pole, a plurality of primary ribs extending from the pole, a hub slidably supported on the pole, and a plurality of secondary ribs, each secondary rib having a first end pivotally coupled to the hub and a second end pivotally couple...
04/23/2002
6332472Retracting mechanism used in an automatic multiple collapsible umbrella
A retracting mechanism used in an automatic multiple collapsible umbrella. The mechanism primarily consists of a spring, one end of which is attached to a second umbrella stretcher and the other end connected to a flexible rib and an umbrella strut. When ...
12/25/2001
6311707Umbrella
An umbrella includes a shaft having a plurality of ribs radially and pivotally connected to a finishing cap on the top of the shaft and a sleeve is slidably mounted to the shaft. A stop, a first flange and a second flange respectively extend radially outw...
11/06/2001
6244284Foldable umbrella
A foldable umbrella includes an elongate handle, a ferrule fixed on an upper end thereof, a runner sleeved slidably on the handle. Each of a plurality of rib assemblies includes elongated first, second and third ribs. The first rib has a first proximate e...
06/12/2001
6216712Catch-free safety umbrella
A safety umbrella includes: a central shaft; a rib assembly having a plurality of top ribs pivotally secured to an upper notch on the shaft each top rib pulled by a pulling rope to be tensioned towards an upper portion on the shaft, and a plurality of str...
04/17/2001
6176246Multiple-fold automatic umbrella with simplified structure and shortened length
A multiple-fold automatic umbrella includes: a central shaft consisting of plural tubes telescopically engageable with one another; a rib assembly including at least a top rib pivotally secured to an upper notch of the central shaft, a stretcher rib pivot...
01/23/2001
6164302Collapsing mechanism of automatic fourfold collapsible umbrella
The present invention relates to a collapsing mechanism of automatic fourfold collapsible umbrellas, especially to an umbrella structure in which a restoring spring is disposed in a second parallelogrammatic frame set. The restoring spring can exert enoug...
12/26/2000
6158452Auto-opening umbrella
An auto-opening mechanism can make the pivotal coupling between the supporting ribs and the linkage beams highly firm and secure while nonetheless retaining the light-weighted quality of the supporting ribs The folding frame structure is more durable than...
12/12/2000
6058952Simplified flat top umbrella
A simplified flat top umbrella includes: a central shaft (1) having an upper notch (11) formed on an upper portion of the shaft (1) and a lower runner (12) slidably held on the shaft (1), a top rib (2) pivotally secured to the upper notch (11), an outer r...
05/09/2000
5992433Multiple-fold automatic umbrella with simplified control mechanism and minimized elements
A multiple-fold automatic umbrella includes: a control device having a ring-shape push button slidably held in the grip having an upper latch integrally formed on a ring portion of the push button which is engaged with a slot formed in a lower runner slid...
11/30/1999
5941261Conical tension membrane structure
A conical tension membrane structure capable of resisting high winds in which the fabric is tensioned both radially and tangentially by radial support arms operable to provide tension peripherally by radial support arms, operable to provide tension periph...
08/24/1999
5845665Demountable structure
A sun shade assembly (10) includes a shade means (11) including a flexible cover (13) attached to a plurality of support arms (14), the support arms being movable from a lowered position in which the cover is in a stowed attitude and a raised position in ...
12/08/1998
5826678Fire escape parachute
A fire escape parachute is provided and includes a center shaft, top ribs, stretcher ribs, a main runner, reinforcing ribs, an upper runner, a fabric and a safety belt. The function of the runner is to drive the stretcher ribs which in turn push the top r...
10/27/1998
5752534Umbrella, particularly standing umbrella
In an umbrella, particularly a standing umbrella, sunshade, garden umbrella or similar, with a frame, a roof structure and a canopy, where the roof rods (5) are linked to a pole element (2) bearing a cap (3) and moveable in a telescopic manner relative to...
05/19/1998
5611364Portable shade umbrella
A portable shade umbrella comprises a weighted base having a supporting pole secured in it, with the supporting pole having a curved upper section with a downwardly depending stud attached to the outer end of the curved section for supporting a rib assemb...
03/18/1997
5533541Automatic umbrella with multiple operation modes
An automatic umbrella including an inside cap at the top of the umbrella shaft thereof, a top runner mounted around the umbrella shaft, an open control spring mounted between the inside cap and the top runner and compressed to preserve energy for opening ...
07/09/1996
5267583Multiple-fold automatic umbrella controlled by single push button
An automatic umbrella with multiple folds particularly of triple folds includes: a central shaft device having an upper, a middle, and a lower tubular shaft telescopically engageable with one another and having a grip formed on a lower portion of the cent...
12/07/1993
5161562Umbrella with simplified automatic closing mechanism
An umbrella includes: a central shaft having a lower tube secured on a grip and an upper tube telescopically mounted on the lower tube, a plurality of umbrella ribs pivotally secured to the central shaft for securing an umbrella cloth thereon, a plurality...
11/10/1992
5125426Automatically closing umbrella
An umbrella includes a shaft restoring spring provided in a central shaft of the umbrella which will store its elastic force when opening the umbrella and extendig the shaft so that upon a depression of a closing controller formed on a grip of the umbrell...
06/30/1992
5050627Umbrella frame system
This invention relates to a springless umbrella capable of being opened and closed under the elasticity of the ribs, which simplifies the manufactured and assembled process of the shaft and reduces the cost and provides a convenient umbrella for use....
09/24/1991
4977913Automatic umbrella
An automatic umbrella has a telescopic stick, a frame carrying a canopy and connected to the stick by rings, automatic closing and opening means, a case connected to the lower tube of the stick, and means for twisting the folds of the canopy. Means for tw...
12/18/1990
4610262System for the power-assisted opening of parasols and the like
This invention relates to a system for the power-assisted opening of parasols, umbrellas and the like comprising a shaft of which one of the ends is provided with a cap on which ribs are articulated in star-like manner, wherein at least one compressed air...
09/09/1986
 
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