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A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.
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| Number | Title | Issue Date |
| 7309364 | Paddle blade end with sidewalls form eccentric shaft A foldable paddle blade and shaft comprises a planar elongate polymer plastic substrate with two angularly directioned weakened hinge lines (71) which extend inwardly and angularly from a location at or near one elongate end of the substrate's lateral edges t... | 12/18/2007 |
| 7300324 | Manual propulsion mechanism A device for propelling a personal watercraft comprising a base having an inner channel and an outer channel. A fin is disposed substantially adjacent to the base and is rotatable relative to the base. The fin has an inner protrusion adapted to moveably engage the i... | 11/27/2007 |
| 7223140 | Sculling oar An object is to provide a Ro-scull which can suppress a decrease in thrust force by water resistance generated during turn-over operation and can realize high-speed cruise of a boat. The Ro-scull has a Ro-arm 1 and a Ro-blade 2 having a flat part 12... | 05/29/2007 |
| 7219855 | Rising and moving apparatus and manufacturing method thereof A fluid-structure interactive analysis is performed while n types of wing structure models are caused to flap in accordance with a prescribed model of flapping manner. Based on an analysis, data 1, data 2, . . . data n of physical values related to flu... | 05/22/2007 |
| 7182032 | Clamp tool device and method of using A new and improved clamp tool device and method of using the device is disclosed for use in holding a boat in a relatively stationary position while the boat is floating in shallow water. The clamp tool device comprises: a first C-clamp having a top edge; and a seco... | 02/27/2007 |
| 7104211 | Watercraft stabilizing device A device for stabilizing boats and other watercraft that is generally blade-shaped and attaches to the body or hull of the boat. The stabilizing device projects generally outwardly and downwardly from the boat and is pivotally connected along the vertical axis at th... | 09/12/2006 |
| 7037151 | Oar Disclosed is an oar, which has a supplementary blade pivotally connected to one end of the blade adjacent to the shaft thereof to increase the area of the water expelling surface, enhancing the rowing efficiency. ... | 05/02/2006 |
| 6991501 | Paddle and method of manufacture thereof A paddle for a kayak, a canoe or other small boat has a shaft with a handle portion which extends from one end of a blade and a tongue portion formed by cutting away a section of the sidewall of the shaft to provide a chamber which extends along a surface of the bla... | 01/31/2006 |
| 6796862 | Forked rib kayak paddle A kayak paddle having at least one paddle blade is made by laying a first resin impregnated fiber preforms in a lower half of a split mold. The split mold has a bifurcated channel for producing a bifurcated rib in a back face of the paddle blade. One end of a paddle... | 09/28/2004 |
| 6568971 | Kayak paddle The invention includes processes and products made by the processes. The processes include making a two-part mold having semi-cylindrical openings for the paddle shaft so that the paddle blade may be molded and co-cured directly on the paddle shaft. The m... | 05/27/2003 |
| 6328617 | Kayak paddle A kayak paddle with improved performance features is provided. The kayak paddle includes a smaller diameter shaft than that generally used. This allows the placement of grips on the shaft. The rips have one or more finger and thumb indentations such that ... | 12/11/2001 |
| 6254444 | Contoured paddle for water sports An improved paddle for use with shallow draft watercraft, including kayaks, canoes, rafts, and the like, having a paddle blade with surface topography for geometrically channeling water across the surface of the blade when in use so as to reduce user fati... | 07/03/2001 |
| 6210244 | Split-bladed propulsion apparatus An improved propulsion apparatus for use in propelling shallow draft watercraft and adaptable for use as either an oar or a paddle, said apparatus comprising at least one split blade. The split blade has a front and at least one back blade section, each o... | 04/03/2001 |
| 6042438 | Ergonomic canoe paddle The invention is an ergonomic canoe paddle. The paddle includes a shaft having a shear side and an opposed drag side, a blade having a shear surface and an opposed drag surface, wherein the blade is secured to a bottom end of the shaft so that the shear s... | 03/28/2000 |
| 5851132 | Kayak paddle with rotating handles An improved kayak paddle for recreational or competitive paddling, which has handles affixed perpendicular to the shaft or shafts, which handles rotate on axles as the paddle is used, to reduce twisting of the wrists and other joints of the paddler and im... | 12/22/1998 |
| 5848924 | Ball bearing oar lock device An oar lock device, comprising a socket member and an oar clamp member. The socket member has a bracket portion and a socket portion. The oar clamp member has a shaft, a shoulder portion and two oar brackets. The shaft is connected to the shoulder portion... | 12/15/1998 |
| 5846053 | Blades for paddles and oars A blade for a paddle or an oar having a shaft and a paddling surface provided at a foremost end of the shaft, for enhancing paddling efficiency. The blade includes locking means provided on the paddling surface for locking water when the paddle or oar is ... | 12/08/1998 |
| 5842830 | Hollow shaft kayak paddle A kayak paddle with a hollow wooden shaft featuring reduced weight and improved strength. The shaft is formed from lineal segments which run the entire length of the paddle shaft and are joined to form a closed shaft structure. A helical twist can be intr... | 12/01/1998 |
| 5364296 | Simultaneous double-bladed kayak paddle A paddle for a narrow canoe or kayak-type boat has a crossbar the end portions of which extend downwardly to create an inverted U-shape, with the blades being at the lower ends of U. Handgrips, preferably including either forearm rests or wrist rests for ... | 11/15/1994 |
| 5324218 | Apparatus for adjusting the leverage of an oar or scull while rowing An oar or scull is equipped with a movable sliding bushing or collar (2, 3) for adjusting the leverage while rowing. For this purpose a locking device (12) normally prevents the linear or axial movement of the oar shaft with a sliding sleeve (8) which is ... | 06/28/1994 |
| 5215482 | Apparatus for forward facing boat rowing An apparatus for forward facing rowing of a boat is disclosed. An elongate outrigger support extends outwardly from a mounting point in the boat and has an end adjacent to the mounting point around which the elongate outrigger support pivots horizontally.... | 06/01/1993 |
| 5074815 | Lifesaving equipment An improved storage container for a lifesaving device is provided herein. Such storage container includes the combination of an oar or paddle, the upper end of which is hollowed-out, to give a pocket of sufficient dimension to accommodate an inflatable li... | 12/24/1991 |
| 5062816 | Aquatic sporting device An aquatic sporting device, designed for use with one arm, is formed of three removably attached sections including a paddle blade, a forearm brace, and an elongate longitudinal shaft between the blade and brace. The brace is offset both longitudinally an... | 11/05/1991 |
| 5041037 | Oar An oar includes a blade portion, a loom including a grip, and a connecting member for connecting the blade portion and the loom together. The blade portion includes a frame and two blades. The frame includes two parallel vertical plates, a front plate, a ... | 08/20/1991 |
| 5037339 | Forward facing rowing mechanism A forward facing rowing mechanism (10) for a boat (11) having a bow (12), a longitudinal axis (A1) and both port and starboard gunwales (21). A mounting bracket (20) is adapted to be supported from each gunwale (21), and a tilting frame (25) is... | 08/06/1991 |
| 4955839 | Oar for racing shells and method of making same A resin and transfer molding technique is used to fabricate, in a unitary fashion, a synthetic oar that has as a core, polyurethane and a longitudinal rigid rectangular spline preferably sitka spruce which transverses orthogonally and extends along the lo... | 09/11/1990 |
| 4943250 | Articulated hydrofoil oar An oar and oarlock arrangement comprising, in combination: a handle loom and a structurally separate blade loom having a hydrofoil blade mounted to its outermost end, the handle loom and blade loom being hinged for sweep action about a rockable oarlock. T... | 07/24/1990 |
| 4867719 | Hydrofoil oar with movable outrigger A rowing apparatus comprising, in combination: a boat having a hull with fore and aft ends and an outrigger frame movably mounted onto the hull and having opposite ends projecting laterally outwards from each side of the hull. The apparatus further includ... | 09/19/1989 |
| 4867718 | Hydrofoil oar A rowing apparatus comprising, in combination: a boat having a hull with fore and aft ends and having an outrigger projecting laterally outwards from each side of the hull and at least two oars located one on each side of the hull, each of the oars compri... | 09/19/1989 |
| 4842482 | Paddle construction A high-efficiency paddle construction having a blade and a stem extending therefrom, and wherein the blade has a pair of opposite, longitudinally extending edges, with flanges extending along the edges. The arrangement is such that there is provided resis... | 06/27/1989 |
| 4701142 | Paddle handle accessory A handle for attachment to the shaft of a paddle to improve the efficiency and comfort of paddling. The handle having a grip portion and spaced outwardly extending arms on the grip portion. The arms are coupled to the paddle shaft so that the handle is sw... | 10/20/1987 |
| 4688994 | Watercraft propulsion device A watercraft propulsion device having a forward and a rearward foil in nested relationship for reciprocal oscillating movement in opposite directions having a foil angle greater than 0° and less than 60°.... | 08/25/1987 |
| 4622017 | Oar with pivotal blades An oar or paddle comprising a shaft having two parallel grooves of circular cross-section extending throughout its length, each groove pivotally supporting a blade. The grooves have a peripheral extent which permits the blades to pivot between a position ... | 11/11/1986 |
| 4610633 | Kayak paddle A wood kayak or canoe paddle having a rubber-like shock-absorbing abrasion-resistant flexible strong strip of urethane rubber adhered to the tip of each blade, and preferably extending also along the opposite edges of the blade, to strengthen the blade an... | 09/09/1986 |
| 4303402 | Paddle A strong, lightweight paddle for manually propelling a water craft with increased stroke efficiency comprises a cupped-shaped blade formed of a foam injected plastic, the blade being angularly displaced from the shaft of the paddle, the shaft is hollow an... | 12/01/1981 |
| 4264275 | Oar A simple, practical, easily manufactured, strong, lightweight boat oar having a shaft formed from metallic conduit with a grip attached to one end and paddle attached to the other end. The paddle is formed from two layers of metal welded together along th... | 04/28/1981 |
| 4147469 | Replaceable paddle blade A paddle blade adapted to be mounted to a tubular handle for use as a kayak or canoe paddle. The paddle blade is replaceable and includes a blade body with an elongated recess having a cylindrical end cavity adapted to receive the handle. A tubular elemen... | 04/03/1979 |
| 4133285 | Boat paddle A paddle for a boat such as a canoe having a blade and a handle connected by an intermediate portion, all on a common axis, is formed with a modified T-shaped or contoured handle comprising a cross member at the end of the intermediate portion, the cross ... | 01/09/1979 |
| 4061106 | Racing paddle and method of making the same An extremely light-weight racing paddle is disclosed which is formed of a very light-weight core of low structural strength surrounded by a shell formed of an extremely strong, light-weight fibrous material which supplies structural strength to the core m... | 12/06/1977 |
