...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7401765 | Winching and drawing machine A winching and drawing machine comprises a drive shaft for driving a load sheave, a pressure receiving member fitted onto the drive shaft, brake plates installed in contact with the pressure receiving member and fitted onto the drive shaft, a pawl wheel interposed b... | 07/22/2008 |
| 7360978 | Combination chain and strap tie down apparatus and system A combination chain and strap tie-down apparatus and system. An elongated shaft is attached to an automobile transport platform. A ratchet gear wheel having engagement teeth and a ratchet wrench socket wheel having a plurality of wrench apertures can be located on o... | 04/22/2008 |
| 7350827 | Cam expansion ring assembly An expansion ring assembly and method for sealingly installing a gasket within an opening in a wall of a structure. The expansion ring assembly includes an expansion ring having first and second adjacent end portions, and first and second cam members are rotatably c... | 04/01/2008 |
| 7246383 | Fit adjustment mechanism for helmets A fit adjustment mechanism for the headband of a helmet including a bridge and a buckle. The bridge has ratchet teeth extending from the exterior surface. Each of the ratchet teeth has a tapered surface, a top land, and a retention surface with an undercut face bene... | 07/24/2007 |
| 7128307 | Manual marine winch with compound handle A manual swivel winch includes safe loading mechanism. The winch has a pair of spaced side plates, a rotating drum supported between the side plates, a drum gear coaxially mounted with the rotating drum, a pinion drive gear engaging and rotating the drum gear, and a... | 10/31/2006 |
| 7067562 | Iron-based Fischer-Tropsch catalysts and methods of making and using The present invention presents an iron-based Fischer-Tropsch catalyst having a low water-gas shift activity and high selectivity and productivity toward a hydrocarbon wax wherein said catalyst comprises iron; silver; sodium, lithium, potassium, rubidium and/or cesiu... | 06/27/2006 |
| 6808164 | Rope tensioning device A rope tensioning device includes a support base, a handle, a connecting post, two fixing plates, two ratchet wheels, two locking blocks, two shafts, a snap ring, two elastic members, two insertion pins, a bolt, a nut, and a fixing pin. Thus, the rope tensioning dev... | 10/26/2004 |
| 6557583 | Electric power modulated lead screw actuated dampers and methods of modulating their operation A damper assembly in which the position of the damper blades is controlled by an electric powered actuator. The powered actuator rotates a threaded lead screw shaft attached to an operator means attached to the damper blades of the damper, which causes th... | 05/06/2003 |
| 6527405 | Releasable handle for a hand powered puller with illumination means A handle for a hand power puller includes a transparent handle having a first chamber and a second chamber, a tubular adapter engaged into the first chamber and releasably connected the handle with a tubular projection of a fork like operator of the hand ... | 03/04/2003 |
| 6431103 | Winch A motor winch, which is suitable as a sheet or halyard winch (11) for sailing yachts, etc., has an integrated electric or hydraulic drive. The motor (52) is integrated into the winch in such a way that it is located within the winch body and in particular... | 08/13/2002 |
| 6406001 | Chain lever hoist For providing a chain lever hoist that can ensure a stable free rotation operation over a long term with a simple design, improvement is made in the chain lever hoist wherein an engaging pawl is switched to a neutral position, at which the engaging pawl i... | 06/18/2002 |
| 6095450 | Pivot for a winding device A winding device includes a hand crank, a securing substrate plate, and two unidirectional gears pivotally coupled between the hand crank and the substrate plate by a pivot member. A pivot member is inserted, in one operation, through axial holes of pivot... | 08/01/2000 |
| 6059267 | Lever hoist A hoist is a hoisting device wherein a pressure receiving member 6 rigidly secured to a drive shaft 5 is rotated by a press drive member 7 through a reverse rotation stop ring 10 and a pair of friction members 8,9 disposed on both sides of said stop ring.... | 05/09/2000 |
| 6015135 | Method for supporting modular furniture A method for supporting modular furniture including panels to allow access to a floor for reflooring or the like, and suitable for supporting a panel end while providing a clear space under said panel end. The method uses a bridge member capable of spanni... | 01/18/2000 |
| 5971364 | Hoist and traction apparatus In order that an operating lever for a hoist and traction apparatus is combined as a unit to ensure the smooth operations so as to provide an improved workability with achieving a downsizing, a driving member of the hoist and traction apparatus is provide... | 10/26/1999 |
| 5954285 | Driving arrangement for a motorized fishing reel A driving arrangement for a motorized fishing reel has a first or driving gear, a second larger gear, a third or pinion gear, and a fourth gear. The driving gear is mounted to and driven by a shaft of a motor. The second gear is meshed with and driven by ... | 09/21/1999 |
| 5769398 | Lever hoist A lever-type hoist comprising a pressure receiving member 6, a press drive member 7 adapted to press-drive the pressure receiving member 6 through friction members 8, 9 and a reverse rotation stop ring 10, and a coil spring 13 interposed between the press... | 06/23/1998 |
| 5647576 | Chain lever hoist The most commonly used spring type chain lever hoists suffer from a major drawback in that, if the chain is drawn quickly over the load sheave while it is set for free running operation, the brake will automatically be applied and the free running movemen... | 07/15/1997 |
| 5611520 | Strap collector A strap collector (1) is provided which is designed to be attached to the connecting arm (6) of a cargo tightener (2). The strap collector includes a magazine (8, 9) for the protection and storage of the long tensioning strap of the cargo tightener when w... | 03/18/1997 |
| 5538222 | Chain lever hoist The most commonly used spring type chain lever hoists suffer from a major drawback in that, if the chain is drawn quickly over the load sheave while it is set for free running operation, the brake will automatically be applied and the free running movemen... | 07/23/1996 |
| 5417447 | Single place personal watercraft trailer A boat trailer having a wheel and axle supported frame including a pair of V-shaped cross members supporting a pair of elongated, laterally spaced bunks for supporting a single personal watercraft, a tongue unit longitudinally adjustably attached to the f... | 05/23/1995 |
| 5398912 | Hoist including brake cover and operating lever coupling A hoist and traction machine having a load sheave, a driving shaft and a driving member which is screw-threadedly engageable with the driving shaft. An operating handle 16 has an inner plate 16a and a brake cover 13a to cover a mechanical brake. The inner... | 03/21/1995 |
| 5364073 | Free-chain device for a lever hoist A function selector knob for selecting a free-chain function is provided with a selectively positioned bias dog which contacts a brake driving gear threadingly engaged on a pinion shaft, alternatively biasing the gear in a brake engaging or brake release ... | 11/15/1994 |
| 5316266 | Strap extender and tensioning system A strap extending and tensioning system includes a strap winding mechanism to wind a predetermined length of strap on itself. A clevis slip hook is included for coupling to a rear end of a tow truck or the like. A strap tightener allowing the strap to be ... | 05/31/1994 |
| 5277407 | Friction winch assembly for restraining heavy articles A friction winch assembly for securing automobiles or other heavy objects to a transporting vehicle includes a spindle rotatably mounted on the transporting vehicle, a ratchet gear axially mounted on said spindle, and an actuator cap for threaded engageme... | 01/11/1994 |
| 5149058 | Lever-operated hoist A lever-operated hoist with an operation lever support structure capable of operating smoothly, especially in the horizontal position. The operation lever has an inner tubular part which is slidably and rotatably supported in or on the a tubular part of t... | 09/22/1992 |
| 4770394 | Pulley hoists Pulley hoists are disclosed which provide moving anchor hooks that are suspended by two "pulls" of rope, and which may be fabricated by a single part. Anchor hooks are also disclosed which have multiple, independently movable hook portions so that certain... | 09/13/1988 |
| 4767099 | Hoist system The hoist system of the instant invention is intended for use with an overhead support and includes an elongate bar disposed below the overhead support and extending in a generally horizontal direction. A lifting device is attached adjacent opposed ends o... | 08/30/1988 |
| 4726312 | Accessory for yachts An accessory or an accessory mount for a yacht comprises a device (1) not involved with the normal operation of a winch and having an integral supporting leg (3) which is adapted to locate in the handle receiving socket of a winch. The leg (3) is designed... | 02/23/1988 |
| 4723757 | Ratchet-wheel-pawl assembly and release means for portable winch A portable winch incorporating at one end a mechanism for providing its suspension from a stabilized support, said frame member having a cable winding drum provided therein, and a handle lever operatively associated with the drum and disposing a ratchet p... | 02/09/1988 |
| 4703917 | Manual winch with drum release and handle storage A manual winch which includes two manually operable release levers for the ratchet mechanism both of which must be manually held in retracted position in order to enable free unwinding of a cable from the winch drum. Specifically, a latch structure is pro... | 11/03/1987 |
| 4697790 | Pulley hoists Pulley hoists are disclosed which provide moving anchor hooks that are suspended by two "pulls" of rope, and which may be fabricated by a single part. Anchor hooks are also disclosed which have multiple, independently movable hook portions so that certain... | 10/06/1987 |
| 4627374 | Accessory for yachts An accessory for a yacht or a mounting device for a range of accessories has a supporting leg which is adapted to locate and key with the socket of a yacht winch. The accessory or mounting device has a locking device which releasably locks the leg in the ... | 12/09/1986 |
| 4542883 | Device for tensioning straps A tensioner for straps, especially for systems for keeping loads in position, has an anchoring means for the fixed end of the strap and a strap drum worked by a ratchet, the drum then acting as a winch for tensioning the strap. The drum has a locking pawl... | 09/24/1985 |
| 4531715 | Winch with storable handle A winch for the spooling of a flexible cord and having a collapsable and storable handle and which may be used in a variety of applications, as for example, in the in-line pulling of a rope in a sailboat. The winch generally comprises a spool which is mou... | 07/30/1985 |
| 4511123 | Safety device A safety device for preventing injuries to a worker as a result of a fall includes a housing which is intended to be supported at an elevated position where the worker is working and a cable which is adapted to be connected to a harness or belt worn by th... | 04/16/1985 |
| 4463933 | Clutch/brake mechanism There is disclosed a clutch/brake mechanism of the "disc" type wherein the coacting friction producing members are severally configured of frusto-conical and planar form whereby sealing contact is maintained at the peripheral surfaces thereof when in a br... | 08/07/1984 |
| 4445669 | Cable tensioning device A cable tensioning device having a frame, a cable-winding drum carried in the frame, ratchet wheel means attached to the drum, a reciprocable handle bearing a driving pawl for advancing the ratchet wheel means, and a holding pawl normally limiting rotatio... | 05/01/1984 |
| 4391432 | Winch operating handle An improved winch is provided which is useful in tightening and adjusting ropes, rigging, lines and sheets. The winch includes a rotatable winch member having a central non-circular aperture extending therethrough and a crank member having a shaft portion... | 07/05/1983 |
| 4311060 | Parking brake operating device An automotive parking brake operating device in which, when the brake handle is pulled up a locking mechanism which moves with the brake handle rotates a rotating member to wind the brake cable around the winding portion of the rotating member, and when t... | 01/19/1982 |