"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 7207420 | Installation with support means for driving an elevator car, and corresponding support means An elevator installation has a support device engaging a driven drive pulley for driving an elevator car. The support device loops around the drive pulley at least partly and has a safety section which is so arranged that the safety section interacts with the drive ... | 04/24/2007 |
| 7137918 | Ribbed V-belt and method of making the same The invention relates to a ribbed V-belt having an elastomeric cover layer (1), a tension-support layer (3) and an elastomeric base body (2). The base body (2) has ribs which have an outer coating containing polymers and fibers and is fix... | 11/21/2006 |
| 7028677 | External drive supercharger An external drive supercharger is described. The external drive supercharger includes an impeller, a multibelt pulley adapted to a drive source, an impeller pulley drivingly coupled to the impeller, and an external drive belt having at least one rib coupled to the m... | 04/18/2006 |
| 6966959 | Method for vulcanizing an object formed of unvulcanized rubber and rubber product A method of vulcanizing an object formed of unvulcanized rubber, in which the unvulcanized-rubber formed object is vulcanized by pressing and heating by mold means, comprises disposing a fiber sheet member on a surface of the unvulcanized-rubber formed object and vu... | 11/22/2005 |
| 6913553 | Adjustable emergency V-belt An adjustable emergency use v-belt is formed with a tapered end having a plurality of teeth and a housing adapted to engage and hold the teeth when inserted into the housing to allow the belt to be adjusted to the desired length when replacing the normal v-belt used... | 07/05/2005 |
| 6264579 | Toothed belt with positioning-aiding and position-identifying functions In a toothed belt including at least one positioning-aiding/position-identifying tooth and a large number of driven teeth engageable with a driving toothed pulley, the positioning-aiding/position-identifying tooth is formed in a predetermined positio... | 07/24/2001 |
| 6123473 | Belt drive arrangement for a printhead carriage A reciprocating belt drive arrangement for the printhead carriage of a printer comprises an endless belt looped around a toothed drive pulley, which engages a toothed part of the belt, and an idler pulley with circumferential grooves which are arranged to... | 09/26/2000 |
| 5851635 | Device for the transmitting motion with a reduced noisiness and belts suitable for the purpose A device for transmitting motion comprises a flexible elastomeric element and at least one rigid element in surface contact with one another, wherein the surface of said flexible elastomeric element that comes into surface contact with said rigid element ... | 12/22/1998 |
| 5803855 | Power transmission belt This invention relates to power transmission belts having multiple longitudinally extending ribs, and particularly, to an improved belt with a cross sectional profile that includes a clearance space that connects adjacent ribs, curved opposing surfaces in... | 09/08/1998 |
| 5704862 | Dual sided poly-V drive belt and pulley therefor This invention relates to dual-sided multi-ribbed power transmission belts having a plurality of longitudinally extending, transversely spaced alternating ribs and grooves with the ribs having a distance between their midpoints of a pitch P on both sides ... | 01/06/1998 |
| 5518460 | Belt construction and combination with a pulley The combination of an endless power transmission belt construction and a pulley therefor, the belt construction and methods of making the same are provided, the belt construction having opposed inner and outer surfaces with one surface defining a pluralit... | 05/21/1996 |
| 5514436 | Endless puzzle cut seamed belt An endless flexible seamed belt with a mechanically invisible seam and substantially equivalent in performance to a seamless belt is formed by joining two ends of material from which the belt is fabricated each end of which has a plurality of mutually mat... | 05/07/1996 |
| 5458710 | Belt construction The combination of an endless power transmission belt construction and a pulley therefor, the belt construction and methods of making the same are provided, the belt construction having opposed inner and outer surfaces with one surface defining a pluralit... | 10/17/1995 |
| 5308291 | Belt construction, the combination of the belt construction and a pulley and methods of making the same The combination of an endless power transmission belt construction and pulley therefor, the belt construction and methods of making the same are provided, the belt construction having an inner surface defining a plurality of longitudinally disposed and al... | 05/03/1994 |
| 4892510 | V-ribbed belt and the method of manufacturing the same A V-ribbed belt having a plurality of ribs on a belt base along the lengthwise direction of belt and a method of manufacturing such V-ribbed belt. The belt according to the present invention is used for driving of driers, auxiliary machines for motor cars... | 01/09/1990 |
| 4781664 | Drive power transmission system A drive power mission system having a driving pulley, a plurality of driven pulleys, and the power transmission belt laid in a serpentine manner over the pulleys. The driving pulley and at least one driven pulley, which are in contact with the inner surfa... | 11/01/1988 |
| 4747812 | V-ribbed belt and the method of manufacturing the same A V-ribbed belt having a plurality of ribs on a belt base along the lengthwise direction of belt and a method of manufacturing such V-ribbed belt. The belt according to the present invention is used for driving of driers, auxiliary machines for motor cars... | 05/31/1988 |
| 4661088 | Belt for the transmission of motion between pulleys Belt (1) of flexible polymeric material, in particular an elastomeric material, for the transmission of motion between two pulleys (6), comprising at least one longitudinal slot (2) defined by a bottom (3) and two lateral walls (4, 5). The belt passes fro... | 04/28/1987 |
| 4569104 | Apron for a draft apparatus An apron for a draft apparatus being suitable for use with a pneumatic high speed spinning frame. The apron includes a front side rubber layer, a reverse side rubber layer adhered to the front side rubber layer and core cords interposed between the two ru... | 02/11/1986 |
| 4525158 | Belt-pulley drive mechanism A belt-pulley drive mechanism comprising a pulley having a plurality of circumferentially extending grooves of V-shaped cross-sectional configuration, a belt adapted to be passed around the pulley and stretched under tension so that the belt is engaged wi... | 06/25/1985 |
| 4466564 | Belt for belt-driven recording tape pack In a tape which is driven by an elastic pretensioned belt, discontinuities such as embossings in the surface of the belt promote the release of air from between the belt and the underlying tape, thus minimizing variations in tape tension and tape speed.... | 08/21/1984 |
| 4330287 | Ribbed power transmission belt A power transmission belt of the generally flat type having circumferential ribs, the ribs having oppositely facing converging sides characterized by convex sidewall portions.... | 05/18/1982 |
| 4321049 | Power transmission belt An elastomeric or plastomeric power transmission belt is reinforced with longitudinally extending wires or threads which are flexible and substantially inextensible. Longitudinally uniformly spaced rigid members which are embedded cross-wise in the belt w... | 03/23/1982 |
| 4027545 | Endless power transmission belt and method of making same An endless power transmission belt and method of making the same are provided wherein the belt comprises a tension section, a compression section, and a load-carrying section with the load-carrying section being a flat strip of rubber bonded between the t... | 06/07/1977 |
| 4002082 | Endless power transmission belt An endless power transmission belt made primarily of elastomeric material is provided and has a compression section comprising a plurality of teeth defining the inside portion of the belt and each of the teeth has at least one groove extending therethroug... | 01/11/1977 |