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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 74/837 - Crank pin drive, shiftable pin


Subclass of Class 74 - Machine element or mechanism
Definition: Mechanisms having an off-center pin drive with the position
No. of patents: 24
Last issue date: 02/20/2007


NumberTitleIssue Date
7178509High-pressure pump, in particular for a fuel injection system of an internal combustion engine
A high-pressure pump having a pump housing in which a plurality of pump elements are disposed, and by means of which fluid is pumped at high pressure via a high-pressure conduit system to a common high-pressure connection. The pump housing has a housing body and for...
02/20/2007
6595084Continuously variably reciprocating transmission
A variable-ratio transmission device. A first translational member is pivotally intercoupled to a first rotational member by at least one connecting arm. The connecting arm has a first portion pivotally connected to the first translational member at a fir...
07/22/2003
6032897Apparatus and method for driving a winding head of a stator winding machine
An apparatus and method for driving a winding head of a stator winding machine. The winding head is the end of a winding shaft which reciprocates and oscillates. The reciprocation of the winding shaft (5) is driven by rocking drive means (13) connected to...
03/07/2000
6016719Continuously variable reciprocating transmission device
A variable-ratio transmission device. A first translational member is pivotally intercoupled to a first rotational member by at least one connecting arm. The connecting arm has a first portion pivotally connected to the first translational member at a fir...
01/25/2000
5931056Fan device with adjustable rotary-angle
A fan actuator device with an adjustable rotary angle having an upper connector rotated by a motor gear, a toggle mechanism formed by an upper connecting rod, a lower connecting rod and a coupling connector, a swinging arm connected to the coupling connec...
08/03/1999
5581896Reciprocating action tool having a stroke adjusting mechanism
A reciprocating acting tool includes a disc rotatably received in a housing and includes a shaft slidably engaged in the upper portion of the housing. The disc includes a bolt rotatably engaged in a groove and a slide threadedly engaged with the bolt. The...
12/10/1996
5295410Use of boring heads as adjustable throw eccentric shafts
The use of boring heads, normally used to machine accurate sized holes, as adjustable throw eccentric shafts. Boring head shanks are removed and replaced with bearing supported shafts, or otherwise attached to a rotatable energy source. Bearings are mount...
03/22/1994
5004404Variable positive fluid displacement apparatus with movable chambers
Rectangular pistons are driven in a circular orbit by two spaced eccentrics on a common crankshaft. The displacement chambers reciprocate with a lateral motion parallel with the crankshaft. The radial forces created by the fluid pressure in the displaceme...
04/02/1991
4998411External combustion engine with improved piston and crankshaft linkage
An external heat engine has a piston mounted for movement between a first upper position and a second, lower position, a heater for heating a working gas to forcibly move the piston from the upper position to the lower position (power stroke), a crankshaf...
03/12/1991
4967619Material feeding apparatus
An apparatus for converting an oscillatory motion to a linear sliding motion comprises a slide block provided for reciprocatory sliding movement along a linear path and an oscillating shaft. An oscillating arm is adopted to oscillate about the axis of the...
11/06/1990
4934217Power transmission apparatus and methods of constructing and utilizing same
A multiple speed ratio power transmission apparatus, comprises input mechanism adapted to be connected to a power source for being driven with a constant reciprocating or oscillating motion, output mechanism including a rotatable output shaft, motion tran...
06/19/1990
4914981Intermediate transmission for converting a rotation into the reciprocation of a roller in inking and/or damping units of offset printing presses
An intermediate transmission with a variable input-to-output phase relationship for converting rotary motion to reciprocal motion includes a drive shaft having a main portion and an eccentric crank pin, an externally toothed ring with a plurality of circu...
04/10/1990
4877185Oscillating sprinkler
An improved oscillating sprinkler comprising a frame having a sprinkler tube mounted for oscillating movement on the frame. An inlet water housing is mounted on the frame and supplies water to the sprinkler tube. The sprinkler tube is driven in an oscilla...
10/31/1989
4711139Infinitely variable rotary drive transmission
The present invention provides for improvements made to the infinitely variable rotary drive transmission U.S. Pat. No. 4,557,161 dated Dec. 10, 1985, having an input member and an output member rotatably mounted to a housing. Two articulated shafts are r...
12/08/1987
4681515Walking beam pump having adjustable crank pin
Variable stroke pump apparatus includes a photovoltaic array for providing electrical current to motors, one of which provides for the pumping action of a walking beam, one of which provides for movement of a control unit which varies the length of stroke...
07/21/1987
4622793Movement-regulating mechanism for a sealing device
The invention is a mechanism for regulating the speed and stroke of a transverse sealing means for a vertical packing machine using tubular film. The mechanism comprises a cranking disc, and elongated transverse rod and a vertical rod, these members being...
11/18/1986
4557161Infinitely variable rotary drive transmission
The present invention provides an infinitely variable rotary drive transmission having an input member and an output member rotatably mounted to a housing. A slide is linearly reciprocally mounted to the housing in a direction substantially radial with re...
12/10/1985
4534242Variable power transmission for converting reciprocating motion to rotary motion
A variable power transmission for varying the power from a reciprocating power source to a rotatable axle shaft comprising a crank interconnecting the power source to a rotatable wheel through a crank pin, an inner wheel jack shaft with gears or sprockets...
08/13/1985
4506400Electrically operated toothbrush
The invention relates to an electrically operated toothbrush with oscillating motion, whose angle of oscillation can be adjusted. This is a easily achieved by the fact that the rotation of the electric motor producing the motion can be reversed by pole changin...
03/26/1985
4442726Adjustable stroke rotary indexing mechanism
An improved processing apparatus for adjustable stroke rotary indexing is provided. The apparatus comprises a rotatable input shaft, an intermediate shaft drivably and mechanically coupled to the input shaft, an output shaft coupled to the input shaft by ...
04/17/1984
4418586Swash plate drive mechanism
A swash plate drive mechanism for an axial piston machine is disclosed comprising a pair of yokes with intersecting longitudinal axes and intersecting cross-axes and a swash plate drivingly connected with the pistons and pivotally connected between the yo...
12/06/1983
4326314Electrically driven hand-held apparatus for body care, in particular a toothbrush or massage apparatus
An electrically driven hand-held apparatus for body care, such as a toothbrush, operates by means of a rotating motor. An eccentric pin is driven by the motor and engages in a longitudinal slot defined by a fork which is secured to an instrument holder an...
04/27/1982
4261228Stroke adjustment for reciprocating mechanism
A stroke adjustment for reciprocating mechanisms which includes an external adjusting wheel to vary internally the longitudinal position of a carrier through an interconnected shaft and gear. A butterfly arm is pivotally connected to the power shaft and i...
04/14/1981
4065032Container-filling machine with fill adjustment during operation
A container-filling machine having a continuously rotating member with an orbiting drive cam thereon which causes reciprocatory piston movement of the piston filler. An adjustment shaft carried by and radially of the rotating member adjusts the radius of ...
12/27/1977
 
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