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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 267/289 - Plural coils


Subclass of Class 267 - Spring devices
Definition: Spring device including a second coil-spring* element
No. of patents: 22
Last issue date: 04/06/2010


NumberTitleIssue Date
7690630Long travel, high force combination spring
A long travel, varying spring rate combination spring includes two differing rate springs connected end-to-end in such a way that the lower rate spring is compressed until positive engagement of a plunger with an intermediate flange member occurs with the higher rat...
04/06/2010
7357381Method of manufacturing spring assembly
Large-diameter projection portions and small-diameter projection portions are formed in each of the two annular plates, while large-diameter end turn portions, which are respectively associated with large-diameter projection portions, and small-diameter end turn por...
04/15/2008
7350774Long travel, high force combination spring
A long travel, varying spring rate combination spring includes two differing rate springs connected end-to-end in such a way that the lower rate spring is compressed until positive engagement of a plunger with an intermediate flange member occurs with the higher rat...
04/01/2008
7335084Traveling toy and suspension of traveling toy
A traveling toy having a plurality of steering front wheels and a plurality of rear wheels being connected with a driver, and a suspension of traveling toy in which a trailing arm having one end part supported rotatably at the upper part of a supporting wall standin...
02/26/2008
7249776Opposing spring resilient tension suspension system
A suspension and method applies the unsprung weight of the wheels and axles to reduce the motion of the sprung weight of chassis. The suspension has a load bolster supporting the sprung weight at a ride height and a rebound member between the wheel axle support and ...
07/31/2007
7229140Pre-tensioned spring track tensioning system
A pretensioned spring track tensioning system provides a two stage loading of a tension roller on the interior of a vehicle drive track. The two stage loading first loads the track under a lower tension load for normal operation, but when the track is highly loaded,...
06/12/2007
7127792Method of manufacturing spring assembly
A method of manufacturing a spring assembly, which includes two annular plates and compression coil springs, and which is adapted so that the compression coil springs are assembled to the annular plates by caulking projection portions formed on the two annular plate...
10/31/2006
7032913Opposing spring resilient tension suspension system
A suspension and method applies the unsprung weight of the wheels and axles to reduce the motion of the sprung weight of chassis. The suspension has a load bolster supporting the sprung weight at a ride height and a rebound member between the wheel axle support and ...
04/25/2006
6612556Multihelical composite spring
A single spring unit includes a multi-helical spring formed of composite material. The single spring unit includes multiple layers of composite material disposed in a first helical configuration, and multiple layers of composite material in a second helic...
09/02/2003
6435842Spring supporting structure of linear compressor
The present invention relates to a spring supporting structure of a linear compressor which is capable of reducing the horizontal length of the compressor by reducing the overall length which adds the length of an inner resonance spring to the length of a...
08/20/2002
6193225Non-linear non-circular coiled spring
A non-linear non-circular coiled spring comprises a first coil portion of rectangular cross-section having a lateral length "a" and a longitudinal length "b", a second coil portion of rectangular in cross-section having a lateral length "b" and a longitud...
02/27/2001
5772191Spring assembly for automatic transmission of automotive vehicle and the like
A spring assembly for an automatic transmission of automobiles includes a generally ring-shaped spring retainer formed from a synthetic resin material, a plurality of mounting protrusions circumferentially formed on a peripheral face of the spring retaine...
06/30/1998
5725204Idler shock-absorbing device for crawler belt
A shock-absorbing device, suitable for use with an idler for a crawler belt, contains a spring box (10) having a flange (12) secured at one end and a bracket (13) secured at the other end, with an annular partition wall (11) extending radially inwardly fr...
03/10/1998
5620173Double-acting distributed pressure vibration proof structure
A double-acting distributed pressure vibration proof structure is comprised of three or more than three relatively iter-linked bodies, whereof each inter-linked body is coupled with the respective end joint hinges and the middle joint hinge to the V-shape...
04/15/1997
5511868Booster recoil mechanism for endless track machine
A recoil mechanism of an endless track of a material working machine has first and second springs of differing compression rates. After loads of impact are absorbed by compression of one of the springs, the load is shared by the other spring and a hydraul...
04/30/1996
5431378Self-retaining compression die spring retainer
A method and an article for assembling a compression die spring in a spring pocket formed in a die member includes a retainer having an outer edge that is larger in width than the diameter of the sidewall of the spring pocket in order to form an interfere...
07/11/1995
5263695Suspension of vehicles using two stiffnesses, adapted respectively for obtaining a good level of comfort and a good level of behavior
A suspension for a vehicle wheel, comprising an elongated shock absorber (7) having an elongated body (6) and first and second abutments at opposite ends of the shock absorber. First and second coil compression springs (R20, R30) are aligned with each oth...
11/23/1993
5156451Apparatus having a high center of gravity with energy absorbing device
An apparatus having a high center of gravity incorporating an energy absorbing device is disclosed. The energy absorbing device includes a rapidly extending shock absorbing device to absorb and thereby dampen the forward motion of an apparatus having a hi...
10/20/1992
4889327Multiple-strand torsion spring
A helical spring composed of a plurality of parallel, coiled strands of spring wire with such strands being unconnected along most of their length but being joined together at least at one end of the spring. In a preferred embodiment, such strands or wire...
12/26/1989
4848757Remote center compliance device with fully or partially coil-bound springs
An improved remote center compliance (RCC) device having translational and rotational compliance. The RCC device includes at least two spaced monolithic members having a common axis extending therethrough. Adjacent pairs of monolithic members are intercon...
07/18/1989
4365770Fixed position variable frequency pendular-type vibration absorber
A variable frequency vibration absorber adapted to be fixedly mounted in a fixed vibration prone system to coact with the system principal vibration excitation source to control system vibration. The vibration absorber is bifilar in construction and the n...
12/28/1982
4145765Shock absorbing mobile adapter
A shock absorbing mobile adapter is provided with four members in spaced apart relationship and six shock absorbing arms connecting each member to the other three members and forming an irregular tetrahedron....
03/27/1979
 
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