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In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 7832710 | Device for tensioning belts and the like The tensioning device for belts and the like comprises a supporting base (2), a winding reel (6) which can rotate relative to the base (2) about a respective axis of rotation (A1), a ring gear (13) which rotates integrally with the... | 11/16/2010 |
| 7392974 | Rope/wire puller A rope/wire pulling device designed to provide maximum pulling pressure by the use of two handles and a non-slip ratcheting clutch which grasps the rope or wire tighter as additional pulling pressure is applied. ... | 07/01/2008 |
| 7350768 | Cargo bracing device A cargo bracing device includes a base having two side plates for rotatably attaching a reel drum, one or more toothed discs attached to the reel drum and controlled to rotate relative to the base with a stop, an operating arm having two legs rotatably attached to t... | 04/01/2008 |
| 7350767 | Strapping apparatus A strapping apparatus includes a frame. A first strap is connected to the frame. An axle is installed on the frame. A second strap is connected to the axle. A spool is positioned around the axle. The spool defines a slit through which the second strap is directed. T... | 04/01/2008 |
| 7293760 | Cable tightening device operated conveniently A cable tightening device includes a fixed unit, a rotation member, two opposite ratchet wheels, and a movable unit. The movable unit includes a movable member, a drive handle and two opposite torsion springs. Thus, the torsion springs are arranged on the movable me... | 11/13/2007 |
| 7258324 | Ratcheting winch with a magnetically biased pawl A winch for controlling the tautness of a length of wire includes a generally U-shaped frame and a spindle rotatably mounted on the frame, the spindle serving as a spool on which the length of wire can be wound. The winch additionally includes a ratchet rotatably mo... | 08/21/2007 |
| 6929438 | Cargo restraint apparatus The present invention includes an improved cargo restraint apparatus (10). The cargo restraint apparatus (10) comprises a pallet (20), a reel (30) having a locking mechanism, and a lock release (43, 143, 243) having a pressure plat... | 08/16/2005 |
| 6641116 | Strap fastener A strap fastener includes a base, a shaft mounted on the base, a reel rotationally mounted on the shaft, two ratchet wheels formed on the reel, a torque spring arranged between the reel and the shaft, a lever pivotally mounted on the base, a first detent ... | 11/04/2003 |
| 6105937 | Fence wire stretcher having strand holder for permitting repeated operations of strand tensioning carrier A wire clamp device affixed to an outer end of a bar in a wire tightener of the type having a stationary wire holding clamp at an opposite end of the bar. A carrier is mounted on the bar and is also provided with a wire holding clamp. The bar is provided ... | 08/22/2000 |
| 6007053 | Retractable tie-down assembly with fine tightness adjustment A retractable tie-down assembly includes a frame, a spool rotatably mounted to the frame, a strap wrapable on the spool, and a locking device. A holder bracket is pivotally connected to an axle of the spool. A catch member is mounted in the holder bracket... | 12/28/1999 |
| 5443342 | Device for positioning cargo A device for positioning cargo includes a rack slidably engaged in a tube and outstretched from the tube so as to force against the cargo in order to position the cargo within a container, a base is secured to the tube, a ratchet gear is rotatably support... | 08/22/1995 |
| 4314783 | Quick release load securement device A device for quickly releasing tension in a load securement element such as high tension banding used to secure loads to railroad flat cars. The device includes a tubular housing within which a slide member is movable between set and released positions. A... | 02/09/1982 |
| 4225116 | Chain tensioner The present invention is concerned with a device for tensioning a chain. The chain tensioner in accordance with the present invention was developed in particular for securing deck cargo on ships and for binding timber bundles. As regards its technology, i... | 09/30/1980 |
