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Patent No. 5823572

Self Defense Weapon With Memo

A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.

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Class 188/6 - Sprag


Subclass of Class 188 - Brakes
Definition: The brake member is pointed and penetrates the surface of
No. of patents: 32
Last issue date: 01/08/2008


NumberTitleIssue Date
7316284Snow vehicle
A vehicle including a frame, a seat attached to the frame front section for supporting the driver in a sitting position, a protective shell attached to the frame front section for substantially enclosing the driver and a pair of skis for gliding on a supporting surf...
01/08/2008
7213687Emergency braking apparatus for vehicle
A vehicle emergency brake system has a second brake for braking a vehicle by increasing the frictional resistance with the road surface, a millimeter wave radar for detecting any obstacle in an advancing direction, a pedal speed sensor for detecting the step-in spee...
05/08/2007
7213827Slider with brake plate
A slider comprises a main board and a brake plate. The main board has a bottom face facing to and movable on a snow ground, and has a rear end raised to an angle relative to the snow ground. The brake plate has a connecting portion connected with the bottom face of ...
05/08/2007
7059623Slider with brake plate
A slider includes a main board movable on a snow ground, and a brake plate mounted on the main board and protruding outward from the main board to face the snow ground. The brake plate is formed with a shovel portion extended toward the snow ground. Thus, the shovel...
06/13/2006
6997295Clutch having elements capable of independent operation
A freewheeling clutch includes torque transmitting elements disposed between an inner race and an outer race. The elements include active surfaces that may be defined by an angularly variable radius of curvature that varies with respect to roll angle at an increasin...
02/14/2006
6971483Braking apparatus and method for making and using the same
The present invention relates to an apparatus for controlling a velocity of an object, and more specifically, to a braking apparatus to be attached with a piece of snow-sporting-equipment. The braking apparatus comprises a brake bracket with a deployable braking sec...
12/06/2005
6702315Methods and apparatus for resisting gliding device runaway
A braking feature is provided that can resist gliding board runaway, i.e., uncontrolled gliding without a rider, or other movement of a gliding board, e.g., a gliding device having no foot bindings. The braking feature may always be active to resist glidi...
03/09/2004
6695323Snowboard accessory
The invention consists of a brake device for snowboards (5) comprising a fitting part (1, 2), which is attached to the board, and a braking part (3). The braking part (3) is attached to the fitting part (1, 2) and can be maneuvered from a non-braking posi...
02/24/2004
6637552Inflatable vehicle braking system
A braking system for an inflatable vehicle, including a rigid housing attached to the deck of the vehicle and a braking lever pivotally attached to the housing. The lever is frictionally held in an inactivated position where the drag arm forming the lower...
10/28/2003
6308966Ski vehicle brake and steering system
A braking and steering mechanism that is located near, but behind the steering pivot point of a runner of a ski vehicle. In a conventional snowmobile, for example, the steering pivot point is near the middle of the longitudinal axis of the runner, and, he...
10/30/2001
6283254Braking device for a motorized snow vehicle
A braking device for a motorized snow vehicle having a front steering assembly with at least one steering column secured to at least one ski, and articulated in rotation around a spindle. The motorized snow vehicle further has a rear support assembly, equ...
09/04/2001
6220397Anti ice skidding apparatus
An anti ice skidding apparatus for providing resistance to lateral forces acting on a vehicle. The anti ice skidding apparatus includes a disc chassis, a device for engaging a roadway pivotally connected to the disc chassis and a device for securing the d...
04/24/2001
6092828Snow ski traction device and method
A snow ski traction device includes a traction blade pivotally mounted on blade-to-ski attachment device so as to secure the blade to the side of a snow ski. The blade pivots through a pivot arc of substantially 90 degrees and is stopped from pivoting out...
07/25/2000
5931481Snowmobile ski brake
A snowmobile braking system providing blades which are downwardly extendible from each side in the central portion of a steering ski controlled by the user by means of an electrically powered pump activating a hydraulic ram which, when desired, rotates th...
08/03/1999
5927619Lock assembly for wheel supported irrigation system
A wheel supported irrigation system is provided with a locking assembly to immobilize the system against travel resulting from high winds or other causes. A system water pipe carries positionable leg members which, when deployed, are in ground contact. Wh...
07/27/1999
5673772Snowmobile braking system
A snowmobile ski-type runner braking system provides a braking "claw" at the trailing end of each snowmobile ski-type runner that can be activated by the operator from his console to pivot downward into digging engagement with the snow to help brake the s...
10/07/1997
5638923Snow brake system for vehicles
A snow break system, as a supplemental break device to a regular break system in a vehicle, comprises at least a pair of brake boosters. Each of the brake boosters mounted under the vehicle has a frictional head made out of a heavy duty material. A hydrau...
06/17/1997
5516141Ski brake
A ski brake, which can assume a skiing position and a braking position, having a base plate adapted to be fastened on a ski or a ski binding, and on which breaking levers, each having a braking arm and an operating arm, are arranged symmetrically with res...
05/14/1996
5464237Folding cart
A folding cart can be unfolded from a flat, collapsed position to an open position. The cart has opposing front and back side walls which have ledges on their opposing faces, and opposing foldable walls hingedly secured to the front and back side walls. A...
11/07/1995
4951958Swingable skateboard with two brake assemblies
A swingable skateboard includes a base board, and a handle assembly retained firmly on the leading end portion of the base board. The base board has a movable tail end. The front rollers are mounted on the crank arm of a crank member which is journalled o...
08/28/1990
4790550Scooter
A child's foot-assisted scooterlike locomotion device is provided which is adapted for use with wheels on improved hard surfaces and for use with skids for use on snow-covered surfaces. Turning of the device is accomplished, irrespective of whether the de...
12/13/1988
4676289Automobile tire having retractable tread studs
An automobile tire having retractable tread studs for increasing traction of the tire on slippery surfaces which are actuated by air pressure that is controlled by the automobile driver from the driver's seat....
06/30/1987
4613015Self energizing emergency brake and anti-side-skid apparatus
One pair of emergency drag brake units are at each end of a vehicle. Each unit comprises a leg member with a serrate-toothed, ground-engageable foot telescopically movable in a support member carried by the frame. An elastic member is shown in one embodim...
09/23/1986
4376545Ski brake
A ski brake, which is mounted on the ski and provided with two brake arms, one on each side of the ski, which brake arms by spring action can be turned to a catching position, in which the brake arms extend downward, substantially perpendicularly to the s...
03/15/1983
4361343Ski brake
A ski brake, which is equipped with at least one brake arm, a foot element and a spring-loaded articulated lever system arranged between the brake arm and the foot element, has a sliding crank as the articulated lever system. The crank is connected with t...
11/30/1982
4359235Ski brake
A ski brake having a ski mountable base plate and having a pair of braking arms, each braking arm having a disk-shaped head at one end and being supported intermediate its ends on the base plate for limited pivotal and axial movement about an axis normal ...
11/16/1982
4350365Ski braking device
The snow ski braking device comprises a bracket adapted to be mounted on the top face of the ski and having a pair of pivoted brake members straddling each side of the ski and biased to pivot downwardly to penetrate into the skiing surface when forward mo...
09/21/1982
4317507Emergency braking system
An emergency braking system is operably associated with a vehicle operated on a road surface. The system comprises an anchor device releasably carried by the vehicle for adherence to the road surface. An activation device in the vehicle releases the ancho...
03/02/1982
4164323Bracing attachment for wheeled sprinkler system
Pivoted 180° apart on the periphery of a sprinkler wheel, a pair of arms can be swung from folded position within the compass of the wheel to unfolded or operative position whenever it is necessary to immobilize the wheel. The distal end of the arms carr...
08/14/1979
4152007Ski brake
A ski brake comprises plow means pivotally mounted to the trailing end of each of a pair of skis and hydraulic operator means to move said plow means downwardly and under the trailing ends of the skis to plow snow on which the skis are operating upwardly ...
05/01/1979
4042251Safety device for lawn mowers
A safety device for lawn mowers includes an elongated frame assembly having a pair of laterally spaced leg elements connected by a bight section. A plurality of ground anchoring elements depend from the bight section and are adapted to be selectively affi...
08/16/1977
4018455Braking device for skis
Ski braking devices are described for braking skis when they become accidentally detached from skiers' boots so as to bring the skis to rest in safe positions without hurting the skiers or other persons. Each described device has a frame with spaced paral...
04/19/1977
 
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