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Patent No. 5421089

Fork With Timer

A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.

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Class 74/32 - Segmental pinion


Subclass of Class 74 - Machine element or mechanism
Definition: Mechanisms, in which the teeth on the pinion cover less
No. of patents: 33
Last issue date: 05/15/2012


NumberTitleIssue Date
8176804Motor actuator and opening/closing device
In a driving force transmission mechanism in a motor type damper device, when a small AC synchronous motor rotates in one direction and a tooth-missing gear part of a tooth-missing gear engages with the first rack part of a rack member the rack member is moved upwar...
05/15/2012
7267038Table saw
The table saw disclosed herein includes a table, a saw assembly pivotally attached to the table, the saw assembly comprising an arbor movable relative to the table, a bevel shaft operatively connected to the saw assembly for pivoting the saw assembly, and a height s...
09/11/2007
7240351Tray carrying-in starting mechanism for disk drive
A tray carrying-in starting mechanism for a disk drive is simple and reduces a load at the start of carrying-in of the tray. The tray carrying-in action is started by pushing a tray that has been carried out to a disk exchange position. The starting mechanism compri...
07/03/2007
7040711Nonslip bearing arrangement
A seating unit includes a mechanism for adjustably positioning a component of the seating unit. The mechanism includes first and second members, each having a generally smooth curvilinear load bearing surface and a plurality of teeth adjacent the load bearing surfac...
05/09/2006
6907807Table saw
The table saw disclosed herein includes a table, a saw assembly pivotally attached to the table, the saw assembly comprising an arbor movable relative to the table, a bevel shaft operatively connected to the saw assembly for pivoting the saw assembly, and a height s...
06/21/2005
6789439Reciprocal force outputting mechanism
A reciprocal force outputting mechanism having a body having a slide slot that contains a slide block, thereby providing for the linear, reciprocal movement of the slide block within the slide slot. The slide block has an elongated opening formed centrally and a row...
09/14/2004
6609450Automatic dispensing apparatus for paper towels and toilet paper
An automatic paper dispensing apparatus for dispensing one of toilet paper and paper towels includes a protective cover hingably attached to the housing, in which the housing of the paper towel dispensing version of said apparatus further includes a pair ...
08/26/2003
6609449Automatic dispensing apparatus for paper towels and toilet paper
An automatic paper dispensing apparatus includes a molded plastic housing and a protective cover hingably attached to the housing, the housing further including a pair of parallel end shields disposed in a lower part of the housing. Each of said parallel ...
08/26/2003
6443043Automatic dispensing apparatus for paper towels and toilet paper
Automatic dispensing apparatus for paper rolls, including a molded housing containing a take-off reel, a cutting blade and a tensioning device in the upper section. A mechanism controls the tensioning and cutting of strips from the roll. A protective cove...
09/03/2002
6412802Rectilinear propulsion apparatus
A rectilinear propulsion apparatus for propelling a bicycle. The rectilinear propulsion apparatus includes a rectilinear drive portion comprising a plurality of rack gear assemblies fixedly coupled to the sides of the middle frame portion of the bicycle, ...
07/02/2002
6283392Fishing reel with oscillating assembly for distributing line evenly on a spool
A fishing reel having a frame and an operating mechanism on the frame. The operating mechanism has a line carrying spool that is movable guidingly and reciprocatingly in a first path in first and second opposite directions, a bail assembly which is rotata...
09/04/2001
5979284Automatic dispensing apparatus for paper towels and toilet paper
Automatic dispensing apparatus for paper rolls, including a molded housing containing a take-off reel, a cutting blade and a tensioning device in the upper section. A mechanism controls the tensioning and cutting of strips from the roll. A protective cove...
11/09/1999
5768941Motorized reduction gear unit comprising a hollow casing having a cover plate, especially for a screen wiping apparatus
A motorized reduction gear unit for any purpose having a crank and connecting rod mechanism incorporated in it, but especially for use as a vehicle screen wiper drive unit, comprises a hollow casing having a cover plate, with, within the hollow interior o...
06/23/1998
5740701Washing machine transmission drive connection
An eccentric gear for a transmission for a washing machine which uses an off center gear having a dual part construction combination with a rack and pinion mechanism, a brake clutch, and a drive clutch to provide the agitation and the high speed spin of t...
04/21/1998
5732574Washing machine transmission
A transmission including a housing, an agitator shaft rotatably mounted to the housing, an input shaft rotatably mounted to the housing, and an agitation system which back-and-forth agitation of the agitator shaft when the input shaft rotates relative to ...
03/31/1998
5655404Mechanism for converting reciprocal movement
A mechanism of converting a reciprocal movement into a rotary movement comprises a coulisse and a toothed unit cooperating with one another, the coulisse being shaped so that conversion of the reciprocal movement to rotary movement is performed in a seque...
08/12/1997
5622077Motorized reduction gear unit comprising a hollow casing having a cover plate, especially for a screen wiping apparatus
A motorized reduction gear unit for any purpose having a crank and connecting rod mechanism incorporated in it, but especially for use as a vehicle screen wiper drive unit, comprises a hollow casing having a cover plate, with, within the hollow interior o...
04/22/1997
5566590Crank device
A crank device can produce a large torque without increasing the locus of the crank arm. The crank arm has first and second arms which are longitudinally slidably coupled together through a pinion. The second arm is formed with two sets of rack teeth on b...
10/22/1996
5528946Apparatus for conversion of reciprocating motion to rotary motion and vise versa
A motion conversion system by which near 100% of a reciprocating motion, and a rotary motion, fluently converted from one to the other includes, a drive shaft (20), an intermediate circular element (22), externally teethed to near one-half of its circumfe...
06/25/1996
5522242Washing machine transmission drive connection
A transmission for a washing machine which uses an off center gear in combination with a rack and pinion agitation mechanism, a brake clutch, and a drive clutch to provide the agitation and the high speed spin of the washing machine. A lost motion interco...
06/04/1996
5509284Washing machine transmission
A transmission for a washing machine which uses an off center gear in combination with a rack and pinion mechanism, a brake clutch, and a drive clutch to provide the agitation and the high speed spin of the washing machine. The input shaft is in line with...
04/23/1996
5203219Speed reducer for a wiper mechanism, having a housing closed by a cover
A speed reducer, in particular for converting continuous rotary motion of a drive motor to alternating rotary motion of an output shaft for operating a wiper linkage, and a hollow casing, which is closed by a cover with, in the hollow interior of the casi...
04/20/1993
5133221Pendulum gear, especially for windshield wipers of motor vehicles
Pendulum gears for windshield wipers of motor vehicles are known, which pendulum gears comprise a first gear member provided with teeth, which gear member is non-rotatably seated on a driven shaft, and a second gear member provided with teeth, which gear ...
07/28/1992
4841799Variable ratio lever arm mechanism
A variable ratio rocker arm is provided for use in combination with the valve stem and push rod of an internal combustion engine. The rocker arm has a toothed rack. A fulcrum rod is provided with a toothed sector and a curved sector. A stationary support ...
06/27/1989
4803890Piston/power shaft coupling
The conventional crank between the power piston and the crank shaft in a reciprocating engine is replaced by a fixed length moment arm during the power stroke and a scotch yoke during the return stroke. The motion of a power piston is converted to rotary motio...
02/14/1989
4799644Actuator activating on-off valves
The invention concerns an actuator for the operation of on-off valves. Said actuator includes a supporting body (1) in which there is transversally disposed at least one pneumatic cylinder (8, 9) which is capable of activating in two directions, a rack (7...
01/24/1989
4721007Variable ratio lever arm mechanism
A variable ratio rocker arm is provided for use in combination with the valve stem and push rod of an internal combustion engine. The rocker arm has an elongated slot defined between a rod seat and a toothed rack. A fulcrum rod is provided with a toothed ...
01/26/1988
4203357Oscillating cooking apparatus
A cooking device including an open topped vessel having a prismatic form and a polygonal base which is mounted for rotation about a horizontal axis parallel to its length. Motor means for oscillating the vessel in a rocking motion about the axis and a hea...
05/20/1980
4137782Apparatus for retracting and extending of a lens holder of a camera
Apparatus for the retracting and extending the lens holder of a camera, which comprises two gear wheels or gearwheel segments swingably supported about fixed axes on different sides of the longitudinal central plane of the lens holder, said gear wheels or...
02/06/1979
4136661Rotary engine
A rotary engine is disclosed having a plurality of rotor blades spaced around an annular chamber and dividing the chamber into separate engine chambers. The rotor blades drive two output shafts which are coupled by a transmission means to provide a single...
01/30/1979
4094018Bottom douche for flush toilets
A bottom douche for flush toilets comprises arms supported with one end on the toilet; spray nozzles carried at the free ends of said arms; duct means for passing water through said arms to said nozzles; a handle associated with the toilet, and a linkage ...
06/13/1978
4037483Window operator mechanism
An operator for hinged windows in which all components are molded from polymeric material. The worm gear, sector gear and link are molded glass-filled nylon and the housing, crank and other components are molded ABS. The worm gear tooth has a top land to ...
07/26/1977
4011764Steering gear with varying transmission ratio
A nut on a helically threaded steering shaft, held against rotation, carries a first set of involute teeth meshing with a second set of involute teeth on an adjoining gear sector which pivots on an axis skew to that of the shaft. The two sets of teeth hav...
03/15/1977
 
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