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Patent No. 5265827

Paddle Wheel Plane

An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.

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Assignee: K-2 Corporation


Location: Seattle, WA
No. of patents: 25

NumberTitleIssue Date
8171658Snowshoe with flexible tail
A snowshoe of molded plastic material has a tail section with greater flexibility than the main body section, thereby allowing the tail to give and deform as the snowshoe tail is engaged against the terrain during the gait of the user. At the same time, the tail is ...
05/08/2012
8146940Adjustable stiffness strap
The invention relates to an ankle strap assembly for a snowboard binding. The strap assembly includes a middle strap portion having a stiffening panel with a longitudinal slot defining upper and lower rails, and at least one stiffening member that engages the upper ...
04/03/2012
RE43173Helmet with in-mold and post-applied hard shell
The invention is related to a helmet having an interior foam liner with at least two shell portions. The helmet includes an exterior in-mold shell portion covering a portion of the liner. The helmet also includes an exterior post-applied shell portion covering a por...
02/14/2012
8104784Horizontal laminated ski construction
A core assembly for a gliding board such as a ski or a snowboard. The core assembly includes a plurality of horizontal layers that are sized to various desired lengths, positioned to achieve a desired thickness profile, and laminated. A method of making a core assem...
01/31/2012
8020321Snowshoe footbed pivot system
A snowshoe having a pivot axle for pitch rotation of the footbed platform relative to the snowshoe frame is supported from the frame in a manner that provides for significant lateral flexing, i.e. pivoting on the roll axis, to accommodate use of snowshoes on side hi...
09/20/2011
7992888Blockless highback binding
A binding comprising a baseplate that is adapted to attach to a gliding board such as a snowboard, the gliding board having lateral and medial sidewalls and a heel loop, and a pivotably highback pivotably mounted to the baseplate. The heel loop includes at least one...
08/09/2011
7865976Helmet vent airflow regulator and shield
A helmet with large vent openings includes a vent shield to prevent the penetration of foreign objects and a vent airflow regulator positioned over the vent shield so as to regulate the amount of airflow allowed within the interior of the helmet. The vent shield is ...
01/11/2011
7661207Snowshoe binding without heel strap
A snowshoe binding engages the sole of the user's boot in a region between the arch and the widest part of the sole, gripping the sole laterally and sufficiently firmly that the boot will not pull out of the binding during use of the snowshoe, even in the absence of...
02/16/2010
7568719Snowboard binding system having automatic toe strap
The present invention is related to a binding that can be used for securing a boot to a snowboard. The binding includes a baseplate, a toe strap, an ankle strap, a strap fastener for the toe or ankle strap, and a movable linkage that connects the toe strap to the an...
08/04/2009
7555852Snowshoe binding with contoured base
A binding for a snowshoe has an injection molded base or footbed with integral control wings for cradling the shoe generally as in U.S. Pat. No. 5,259,128. The base preferably has toe stops at the forward end, positioned asymmetrically on the base to better individu...
07/07/2009
7509757Single-pull binding for a snowshoe
A boot binding for a snowshoe, suspended within the snowshoe for flexibility of the boot relative to the snowshoe in the pitch direction, has a binding footbed that is flexible and allows bending of the boot in the pitch directed, as steps are taken by the user....
03/31/2009
7497034Snowshoe binding with top buckles
A binding for a snowshoe has, in several different embodiments, a pair of straps to draw the binding tight over a user's boot, the two straps reversing direction at side loop points and being secured to a pair of buckles on a floating tongue at the top of the bindin...
03/03/2009
7475434Helmet with in-mold and post-applied hard shell
The invention is related to a helmet having an interior foam liner with at least two shell portions. The helmet includes an exterior in-mold shell portion covering a portion of the liner. The helmet also includes an exterior post-applied shell portion covering a por...
01/13/2009
7419187Double klap flex base boot with heel linkage
A skate includes a midskate hinge in the shoe to preferentially flex the shoe base at the metatarsal area, a forward hinge to allow the rear of the shoe to be raised in relation to the rear of the skate frame, and a third hinge to laterally stabilize the rear of the...
09/02/2008
7386947Snowboard boot with liner harness
A boot, such as a snowboard boot, having an outer shell including a flexible upper and a harness assembly disposed in the outer shell. The harness assembly wraps about a user's ankle, includes a plurality of cord keepers. A cord—for example, a lace or a stainless ...
06/17/2008
7314227Gliding board with vibration-absorbing layer
A gliding board such as a snowboard (100) having a core (130), a lower structural layer (132), an upper structural layer (134), a base element (138) attached under the lower structural layer, and a metal edge piece (136). A ...
01/01/2008
7260850Banded goggles for a winter sports helmet
Eyewear, such as goggles, includes a frame, a lens supported by the frame, and an outrigger that is pivotally mounted to sides of the frame. An elastic band is mounted to the outrigger. The elastic band is made from two band arms that are connected on one end to for...
08/28/2007
7246811Snowboard binding engagement mechanism
A snowboard binding (100) is disclosed having a base plate (102) with a highback (120) pivotally attached. A locking lever (130) is disposed on the back of the highback for locking the highback in a generally upright position with a desir...
07/24/2007
7246803Tool-less size-adjustable in-line skate
A size-adjustable in-line skate having a base carrying a plurality of wheels thereon. An upper is secured to a top surface of the base and defines a heel portion, a toe portion, and diametrically opposed side wall portions. The upper is supported by a support struct...
07/24/2007
7219444Boot liner with ankle and heel volume control
An article of footwear, such as a snowboard boot liner, made of deformable material has a rear tensioning system for reducing the volume of the footwear in the heel region. The footwear has a front tensioning system, such as a front lace, for closing an opening in t...
05/22/2007
7214337Foam core in-line skate frame
A method of constructing a skate frame for an in-line skate is provided. The method includes forming a first skin on a mold and positioning core material on the first skin so that the core material does not contact the portions of the frame that receive load from th...
05/08/2007
7181779Sport goggle with side vent for improved ventilation
An improved sport goggle for skiing, motorcycling, paintball, racing, and other sports featuring clip-mounted side apertures communicating with the eye cavity of the goggle through adjacent venting apertures. Venting of the eye cavity of the sport goggle is aided by...
02/27/2007
7159892Snowboard binding with suspension heel loop
A binding includes a suspension heel loop formed by an upper member pivotally connected to the base of the binding frame. The heel loop flexes or moves in a controlled manner with respect to the binding base at the heel end of the binding. A binding having the suspe...
01/09/2007
7137635Expandable in-line skate
A skate (200) having a frame (226) adapted to support a plurality of wheels (228) and a base (214) disposed above the frame. The base includes a platform (280) having a longitudinal rail (282) with a plurality of locking det...
11/21/2006
7137153Sport goggle with improved ventilation
An improved sport goggle for skiing, motorcycling, paintball, racing, and other sports featuring apertures communicating with a pressurized air flow provided by focusing channels in a ledge projecting from the goggle body thereby increasing air flow into the eye cav...
11/21/2006
 
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