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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 267/64.21 - Including rolling lobe between telescoping members


Subclass of Class 267 - Spring devices
Definition: A device including a pair of elements, one sliding into
No. of patents: 134
Last issue date: 02/28/2012


1        
NumberTitleIssue Date
8123202Plunger piston made from plastic for an air spring
A plunger piston for an air spring. The air spring being active between a component which is to be cushioned by springs, in particular the vehicle frame, and a sprung component, in particular the axle carrier of a motor vehicle. The plunger piston is configured as a...
02/28/2012
8025272Air spring and damper unit having a pilot-controlled main valve
An air spring and damper unit for vehicles has, as operating spaces, at least two pressure spaces filled with compressed air and connected to one another via flow channels. The pressure spaces have movable walls in the form of rolling bellows or folding bellows, whe...
09/27/2011
7959135Shock absorber
The present invention provides a shock absorbing device comprising: a hollow spring including a chamber having a proximal end, a distal end, and a bellows comprised of a springy material connecting the proximal end to the distal end and enclosing the chamber; a shoc...
06/14/2011
7934707Pneumatic spring
A pneumatic spring has a pneumatic spring bellows (1) made as a hollow cylinder and a damper (19) can be arranged in the pneumatic spring in such manner that a gap (24) is created through which ambient air can reach the damper (19) and co...
05/03/2011
7380799Adjustable vehicle suspension system with adjustable-rate air spring
An adjustable vehicle suspension system includes a plurality of damping members and an air spring operatively associated with each of the damping members. The suspension system also includes a compressed air source, a valve assembly, and a controller. The compressed...
06/03/2008
7347437Damper assembly
A damper assembly for a suspension system of a vehicle includes a housing adapted to be mounted to one end of a strut in the suspension system. The housing has a chamber with fluid therein. The damper assembly also includes at least one diaphragm extending across th...
03/25/2008
7338040High retention strength jounce bumper assembly
A jounce bumper assembly is provided including a cup-shaped member adapted to be mounted to a vehicle. A spacer formed of an appropriate engineered material is mounted within the cup-shaped member and a jounce bumper is mounted to the spacer. The cup-shaped member i...
03/04/2008
7322567Air spring assembly
An air spring assembly is mounted to a shock absorber to form a strut assembly. The shock absorber includes an outer cylinder with an internal piston and piston rod mounted within the outer cylinder. The piston rod is mounted to a vehicle frame member and the outer ...
01/29/2008
7284644Multiple load path air spring assembly
An air spring assembly, for use on an associated vehicle suspension system having a mounting member and a damping member, includes spaced apart first and second end members. A flexible wall is secured on the first and second end members and defines a spring chamber ...
10/23/2007
7232117Pneumatic spring pot and method for producing same
A pneumatic spring pot has a pot wall and a bottom connected to the pot wall and also an annular flange connected, opposite the bottom, to the pot wall and intended for the fastening of, for example, a pneumatic spring concertina, the annular flange having a smaller...
06/19/2007
7216925Height control linkage for a vehicle cab suspension
A height control linkage for a vehicle cab suspension comprising elongated lower and upper linkage members, each of which has upper and lower ends. The lower linkage member has external, vertically spaced-apart, alternating ridges and grooves formed thereon for at l...
05/15/2007
7211123Apparatus for venting a transmission
Device for the ventilation of a transmission case (11) that is normally intended to hold liquid lubricant for transmission components and includes a residual internal volume of air inside the transmission case that is connected to the atmospheric pressure by ...
05/01/2007
7192033Trailing arm suspension and height control system with motorized valve therefor
A trailing arm suspension for a vehicle. The trailing arm suspension having a height control system for controlling the ride height of the suspension relative to the vehicle. The height control system preferably comprises a motor driven height control valve. ...
03/20/2007
7192032Electronic control of vehicle air suspension
A system is provided for use on large vehicles of the type wherein the vehicle frame (12) is supported on vehicle axle assemblies (14, 20, 22) through air bags (26, 30, 32), and each air bag has a lower end coupled to the lower end of an arm suc...
03/20/2007
7188827Gas spring with a protective sleeve for a rolling bellows
Gas spring includes a cover which works together with a rolling bellows and a bottom part to form a gas-filled spring space, where at least part of the outside surface of the rolling bellows is covered by a sleeve. The sleeve provides a receptacle for at least one s...
03/13/2007
7185746Damper-mounting structure
An upper portion of a damper connected at its lower end to a lower arm of a suspension is accommodated within a side frame having a closed section. An upper spring seat, which is a mounting portion for the damper, is fixed to a lower surface of the side frame by a b...
03/06/2007
7178794Fluid isolator assembly and floating elastomeric damping element
An isolator apparatus is described to attenuate or isolate vibration. The isolator apparatus includes a fluid isolator assembly including a flexible diaphragm and a pressure chamber having a flow passage opened to the pressure chamber to provide a fluid spring. A fl...
02/20/2007
7175165Air spring and shock absorber assembly for use in suspension systems
An air spring and shock absorber unit for use in vehicle suspension systems or cab suspension systems comprising a shock absorber mounted within an air spring. The lower end of the air spring bellows is attached to the air spring piston in such a manner which enable...
02/13/2007
7161476Electronic tire management system
An electronic tire maintenance system is provided for measuring a parameter of a device at a first location. The system includes a sensor for measuring the device parameter and generating a data signal representing the measured parameter. The system also includes a ...
01/09/2007
7150450Vehicle suspension damper with integral height leveling valve
An air spring suspension damper assembly includes a first housing and a second housing which telescope relative to each other. An actuating member such as a cable is connected to a height leveling valve contained in one of the housings and attached to the other hous...
12/19/2006
7150451Air spring and jounce shock assembly
The present invention concerns an air spring and jounce shock assembly for use in an automotive vehicle suspension system. The assembly may include a base adapted to be mounted on one of an axle assembly and a suspension component, a top cap adapted to be attached t...
12/19/2006
7125008Air-spring vibration isolation device
A vibration isolation device including a stationary housing; a movable top plate positioned horizontally above the stationary housing; an airtight flexible member forming an airtight pressure chamber between the movable top plate and the stationary housing; a vibrat...
10/24/2006
7100908Shock absorber/pneumatic spring strut
The invention relates to a damper arrangement, in particular an air spring strut, comprising a shock absorber having an essentially cylindrical housing and an air spring with a working space which is under internal pressure, and comprising an additional volume which...
09/05/2006
7083163Booster with spring to adapt air spring pressure for load dependent shock absorber
A suspension system for a vehicle includes a frequency dependent damper (FDD) or shock absorber defining a first pressurized working chamber and an air spring assembly defining a second pressurized working chamber. A booster enables pressure communication between th...
08/01/2006
7077052Strut assembly with inverted air spring configuration
An air spring assembly is mounted to a shock absorber to form a strut assembly. The shock absorber includes an outer cylinder with a shock piston and piston rod mounted within the outer cylinder. The outer cylinder includes a shock mount that is attached to a vehicl...
07/18/2006
7077226Controlled truck cab suspension system
The invention is a suspension system, typically for use between a cab and a truck frame, includes a strut module having a strut and an air spring, and a control module, connected to a source of pressurized air, for sensing a distance between the cab and truck frame ...
07/18/2006
7077227Controlled truck cab suspension
A suspension system, typically for use between a cab and an associated truck frame, including a s strut module having a strut, an air spring and a control module. The control module is connected to a source of pressurized air, is integral with the strut and includes...
07/18/2006
7070028Frequency dependent damper
A gas shock absorber has a pressure tube which defines a working chamber. A piston divides the working chamber into an upper working chamber and a lower working chamber. A flow path extends through the piston to provide fluid communication between the upper and lowe...
07/04/2006
7036805Pneumatic front suspension assembly for industrial vehicle
A pneumatic front suspension assembly for an industrial vehicle comprises: a front axle linked to a pair of side-members, and a pair of airbags for adjusting the height of the axle relative to the side-members. On each side, there is provided a rigid arm whereof one...
05/02/2006
7011301Wheel-guiding forward axle air spring strut
A wheel-guiding forward axle spring strut includes a spring and a shock absorber (6) integrated axially therein. The spring includes two end members (8, 10) and a spring element is disposed between these end members. The shock absorber (6) inclu...
03/14/2006
6997285Shaft seal with lubrication device
A shaft seal assembly for use with a reciprocating or rotating shaft includes a shaft seal, a lubricant-storing ring, and a retainer. The retainer and ring can be formed as a subassembly and then combined with a shaft seal. The assembly provides a lubricated shaft a...
02/14/2006
6974143Hydraulic shock absorber for vehicle
In a hydraulic shock absorber for a vehicle in which a slide pipe is slidably provided within a cylinder tube, and a working fluid chamber is provided within the cylinder tube and the slide pipe, a guide bush coated with a polytetrafluoroethylene and an oil seal sea...
12/13/2005
6974003Spring-shock absorbing system with tubular rolled bellows
A combined spring/damper system for the support of wheel suspensions or axles on a vehicle body, with a tubular concertina which is mounted between an outer bell and a rolling piston and the meniscus of which is guided on a cylindrical inner-wall region of the outer...
12/13/2005
6962330Vibration damper
A vibration damper includes a damping element and a pneumatic spring, where the damping element has a container tube, a fastening part, and a piston rod, and where the pneumatic spring consists of a spring bellows acting as a roll bellows, an outer tube connected to...
11/08/2005
6942201Volume reducing bead plate for air spring
A vehicle air spring assembly having a pair of spaced end members which sealingly engage a flexible bladder to form an internal air chamber having an internal volume. One of the end members is a bead plate which has an annular outer end portion which is crimped to t...
09/13/2005
6926264Air spring upper retainer
An air spring (1) has a cylindrical flexible sleeve (2) secured at each end to form a fluid chamber (14). One end (6) of the sleeve (2) is secured to a retainer (8). The retainer (8) has a ribbed reinforcement structu...
08/09/2005
6923433Pneumatic spring with integrated control valve
Pneumatic spring with at least one control valve inside the pneumatic spring with control positions for feeding, blocking, and discharging compressed air, which valve is actuated by a control element also installed inside the pneumatic valve. The control element act...
08/02/2005
6921065Rolling-lobe air spring having a support bell
A rolling-lobe air spring (2) includes a cover (cover plate, 6-I or 6-II), a roll-off piston (8) and a rolling-lobe flexible member (4). A support bell (16-I or 16-II) is provided in order to solve stability problems....
07/26/2005
6905113Double rolling-lobe spring arrangement
A double rolling-lobe flexible member spring arrangement (2) includes two coaxial spring components (4a and 4b) which are arranged opposed to each other. The spring components essentially each include a rolling-lobe flexible member...
06/14/2005
6905006Retaining cap for a protective bellows
A retaining cap includes a sleeve-shaped basic body which has at least one protective bellows retaining segment on which a protective bellows can be supported. A component which is movable with respect to the retaining cap can penetrate into the installation space o...
06/14/2005
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