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Patent No. 5508049

Pizza Pie With Concentric Rings of Crust

A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.

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Class 464/32 - Torque transmitted via frangible element


Subclass of Class 464 - Rotary shafts, gudgeons, housings, and flexible couplings for rotary shafts
Definition: Subject matter wherein rotation is transmitted from the
No. of patents: 87
Last issue date: 11/01/2011


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NumberTitleIssue Date
8047919Sideshaft with interconnecting fuse
An automotive shaft assembly is provided including a first barshaft having a first connection end and a second barshaft having a second connection end. A connection tube rotationally engages the first connection to the second connection end and includes a shear diam...
11/01/2011
7942748Annular groove in a shock protection device
A shock protection device having opposing pluralities of frangible splines separated by an annular groove disposed in an internal splined opening in a drive hub, the splines for intermeshing engagement with a splined end of a drive shaft for transferring rotary moti...
05/17/2011
7909701Power transmission apparatus
A power transmission apparatus comprises a pulley mounted rotatably on a casing of a rotary device, a hub coupled to the pulley by fitting between depressions and protrusions, a power shutoff member for preventing excessive torque between a rotary shaft and the hub,...
03/22/2011
7666100Power transmission device
A power transmission device (10) comprises a rotatable rotary part (1, 2) to which a rotational drive force is transmitted from a drive source and a power transmission shut-off member (3) that shuts off transmission of an excessive torque betwee...
02/23/2010
7645196Apparatus for transmitting a torque from a motor to a compressor
An apparatus for transmitting torque from a motor to a compressor comprises a hub connecting with a compressor shaft and a pulley rotatably supported on the compressor housing, the pulley and the hub connected with one another by a device for vibration clamping and ...
01/12/2010
7507159Power transmission apparatus
A power transmission apparatus (10) includes a rotary portion (1) to which turning driving force from a driving source is transmitted and which can rotate, a power cutoff member (3) mechanically connected to the rotary portion (1) and one...
03/24/2009
7452281Torque transmission device
A plate (13(e)), the outer diameter side of which is fixed to be integral with a plate section (13c), and which is provided with an engagement part (13g) to be engaged with a shoulder (13f) formed on the inner ...
11/18/2008
7393281Power transmission device
In the power transmission device having a torque limiting function for shutting off the transmission of an excessively high torque between the pulley 1 and the rotary shaft 5, the hub 2 and the rotary shaft 5 are connected to each other b...
07/01/2008
7338379High speed coupling shear spacer
An inner tubular wall is concentrically located inside an outer tubular wall to form an annular space therebetween. A bearing is retained within the annular space. The bearing can include a pair of precision angular contact bearings, the bearing may also include an ...
03/04/2008
7311625Rotating apparatus with a torque limiter function
A screw engagement portion between a pulley and a shaft is provided with a thread in a direction to increase the tightening torque when the pulley is driven. A breakable part broken by the axial tension produced when the tightening torque acting on the screw engagem...
12/25/2007
7303477Power transmitting device of clutchless compressor
A power transmission device for a clutchless compressor, in which, when a torque above a preset value is generated in the compressor during power transmission from an engine to the compressor, a breaking member connecting a pulley side with a hub side is broken and ...
12/04/2007
7303478Power transmission mechanism capable of preventing breakage of a rotating shaft
In order to transmit a torque from a hub 5 (rotating body) integrally formed together with a pulley 4 to, for example, a sleeve 6 inserted under pressure into a rotating shaft 1 of a refrigerant compressor 2, end surfaces 5
12/04/2007
7296670Disconnect mechanism and devices including such a disconnect mechanism
A disconnect mechanism is provided which, upon a suitable trigger event, such as excess temperature causes a camming element 40 having a tapered head 52 to move under the urging of a compression spring 60 such that the tapered head 52 bec...
11/20/2007
7223073Boat propeller
A boat propeller comprising a central hub member and an inner hub assembly that defines a longitudinally extending bore having an inner surface. The exterior surface of the central hub member is sized and shaped for disposition therein the bore of the inner hub asse...
05/29/2007
7156743Mechanical fuse and method of manufacturing the same
An inexpensive mechanical fuse having a high fatigue limit ratio and high rupture reliability, and superior in forming performance, and a method of manufacturing the same are presented. The mechanical fuse is composed of Fe-based sintered alloy, and comprises an inn...
01/02/2007
7155889Modularized lawnmower replacement blade
A modularized lawnmower replacement blade which can be can be attached to a standard lawnmower shaft. The modularized blade includes a central mounting hub with four recessed seats. In the preferred embodiment, a cutting blade is attached to each recessed seat so th...
01/02/2007
7125191Power transmission device
A torque limiter to be operatively coupled to an engine is secured to the outer periphery of a driving shaft through screwing-engagement. The driving shaft and the torque limiter are screw-engaged and fixed to each other so that the torque limiter is pushed or urged...
10/24/2006
7080631Safety fuel injection pump
A fuel injection pump includes a camshaft, an eccentric cam, a cam ring, a housing and plungers. The camshaft is rotated by an engine. The cam is provided separately from the camshaft and is formed with a connecting portion connected with the main shaft. The cam rot...
07/25/2006
7066819Coupling device
A coupling device has a pulley that receives rotational torque from an engine. The torque is transmitted to a shaft through a hub and a one-way clutch. A torque limiter is screwed on the shaft to fasten the inner ring of the one-way clutch onto the shaft. The torque...
06/27/2006
7040989Power transmission device
A power transmission device which interrupts torque transmission when the torque exceeds a predetermined torque. A torque limiter includes projections formed on a center hub and a pulley. The center hub includes bridges that transmit torque by a pulling force. When ...
05/09/2006
7025185Torque releasing device
In a torque releasing device, a bearing is composed of an angular contact ball bearing, raceway surfaces of which are applied with a pre-load in order that the occurrence of fretting at the bearing during torque transmission may be prevented. Thus is ensured that th...
04/11/2006
7025680Torque transmission device having torque limiter
A torque transmission device includes a pulley, a cylindrical member, a torque limiter and a weight member. The pulley is rotated by torque transmitted from a drive source. The cylindrical member is connected to a rotatable shaft of a compressor and is rotated integ...
04/11/2006
7014564Power transmission device
When the connecting rod 10 made of material of high strength, the mechanical strength of which is higher than that of the inner hub 22, is incorporated into between the cylindrical boss portion 31 of the inner hub 22 and the compressor sh...
03/21/2006
6918835Power transmission system
Two-step protruding portions are provided in a cover of a pulley for hooking the cover on the pulley. When a bridging part is broken, a driving-unit-side portion of the bridging part is outwardly displaced in a rotation axis direction of the pulley. The first-step p...
07/19/2005
6913538Torque transmission system
In a torque transmission system, plural engagement pieces elastically deformable are formed integrally with an outer peripheral portion of a circular portion of a center hub to be engaged with an inner periphery portion of a pulley. A bridge portion of the center hu...
07/05/2005
6802779Pulley type torque transmitting apparatus
A hole is formed in a damper rubber, where by when a compressive load is small, pillar portions undergo a flexural deformation so as to result in buckling deformation. On the other hand, when the compressive load becomes large, the hole collapses and the damper rubb...
10/12/2004
6718745Disc shear hub
A disc cutterbar having a mounting hub supporting a knife for severing standing crop material, with a reversible shearable spline area engaged with a drive shaft to form a shear device therebetween. ...
04/13/2004
6695909Concrete with improved freeze/thaw characteristic
An improved freeze/thaw characteristic is achieved in concrete by substituting crumb rubber for entrained air. The percent by volume of entrained air for concrete prescribed for a given set of freeze/thaw conditions is first determined then a predetermine...
02/24/2004
6609980Flexible joint
In a flexible joint having a first rotating body connected to a shaft of an engine, a second rotating body coaxially connected to the first rotating body via a first rubber damper, and a third rotating body whose outer circumference is coaxially coupled w...
08/26/2003
6439078Overload protection device for a lever
An overload protection device for a manual hoist lever including a pressure hub, an outer hub, a brake nut, and a dowel pin. The pressure hub includes a radially extending flange and a cantilevered boss having a threaded outer surface with an axial groove...
08/27/2002
6419585Power transmission mechanism
An interruptible power transmission mechanism couples a drive source to a compressor. The power transmission mechanism has a pulley, which rotates in synchronism with the drive source, and a receiving member, which rotates in synchronism with the compress...
07/16/2002
6389917Safety device for a gear
A safety device for a gear unit driven by a drive mechanism has a rated breaking point. A silent ratchet is also provided, with which a gear part on the power takeoff side that is severed upon a separation of the rated breaking point can be firmly clamped...
05/21/2002
6358152Medical/technical tool holder apparatus with torque limitation and a shear body for an apparatus of this kind
The medical/technical tool holder apparatus (2) with torque limitation comprises a receiver (5) for at least one shear body (7) and a shearing means (10a) which is rotatably connected to the receiver (5) and which is arranged in such a manner with respect...
03/19/2002
6332842Rotation transmitter having torque limiting mechanism
A torque limiting mechanism includes an axial space formed in a cylindrical wall of a pulley, and a pin protruding and extending from a back surface of a discharge disc. The pin is inserted into the axial space, and a rubber damper is installed between th...
12/25/2001
6231012No-back/offset gear box
Referring to FIG. 2, disclosed is an aircraft compound no-back/offset gearbox (2) with an integral load proportional safety (no-back) brake (50). The four gears are all 16 diametral pitch, involute external spur gears with 20 degree standard pressure angl...
05/15/2001
6126549Coupling device
A coupling arrangement for coupling a driving unit (1) to a driven unit (2) includes a combination of a shear coupling (7) which acts between the units and which fails immediately an overload occurs, and a brake coupling (13) which is adapted to become ac...
10/03/2000
6080065Tearing configuration for flexible element of elastomeric coupling
Disclosed herein is an elastomeric coupling for transmitting torque between two shafts approximately aligned on a shaft axis, the coupling comprising a composite arcuately extending member including a shoe having a first portion and a second portion exten...
06/27/2000
6068452Torque limiting mechanism
A torque limiting apparatus is located between a power source and a driven apparatus. A number of breakable power transmission members connect a drive rotor to a driven rotor. The breakable members are fractured to disconnect the driven rotor from the dri...
05/30/2000
6059085Shaft decoupler
A decoupling apparatus for disconnecting an engine starter from an engine includes a first rotatable decoupler shaft, having a first clutch jaw, coaxially mounted with respect to a second rotatable decoupler shaft having a second clutch jaw. The two shaft...
05/09/2000
5873784Power steering system having a mechanical safety breaker
A mechanical safety breaker for disengaging a mechanical connection between two mechanical members at a time when a force transmitted through the connection of the two members exceeds a predetermined value is provided by employing an overload breaker elem...
02/23/1999
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