U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 384/279 - Porous metal


Subclass of Class 384 - Bearings
Definition: Subject matter wherein either the sleeve, liner, or a support
No. of patents: 147
Last issue date: 11/15/2011


      4  
NumberTitleIssue Date
5028148Slide bearing device
A slide bearing device having an oil-containing sintered member and a fixed pad fixed to the sintered member and supporting a sliding member through a film of a lubricating oil supplied from the sintered member, wherein a dynamic pressure of the lubricati...
07/02/1991
4878768Bearing having an improved corrosion-resistance
Disclosed is a bearing having an improved corrosion resistance, which comprises: a base metal; and, a bearing layer of Cu-series alloy having a skeleton structure of Cu alloy. The clearance of the skeleton structure are filled essentially with Pb-containi...
11/07/1989
4865467Roll-formed bushing for sliding surface bearings
A roll-formed bushing for sliding surface bearings has no machining allowance in the bearing bore and is made of a strip section and has a butt joint that extends throughout the width of the bearing. In order to reduce the allowances of the bore diameter ...
09/12/1989
4853180Method of manufacturing bushings with powdered metals
A die assembly having a cavity in which powdered metal is compressed with upper and lower punches. A core extends through the lower punch to form the inner wall of a bushing, and a core extension rod having a lateral protrusion that extends into the cavit...
08/01/1989
4848932Gas-static and gas-dynamic bearing
A gas-static and gas-dynamic radial bearing assembly includes a shaft having a supply line extending in the interior thereof for bearing gas. The shaft has a portion in the form of a porous sintered body. A bearing has a given bearing length, part of whic...
07/18/1989
4838710Static pressure gas bearing assembly
A static pressure gas bearing assemby having a gaseous fluid discharging bearing member for supporting a shaft by the discharged gaseous fluid is disclosed. The bearing member is made of porous graphite. For the manufacture, carbon particles approximately...
06/13/1989
4820140Self-lubricating rotary vane pump
The invention comprises a rotary pump with sliding vanes with a self-lubricating solid coating covering the exterior end facing surfaces of the rotor and end facing surfaces of air transfer end plates. Additionally disclosed herein is a rotary pump with s...
04/11/1989
4780002Bearing for lawn trimmer cutter head
A bearing assembly is disclosed which is useful in mounting the cutter head of a lawn trimming implement to the tubular casing extending forward and downward from the power head. A flexible shaft housed within the tubular casing conveys rotary motion from...
10/25/1988
4776885Sintered composite materials with short metal fibers as matrix
Short, fine fibers having certain aspect ratios and generally triangular cross-section are mixed with particulate material whereby the fibers form a three dimensional network and the mixture is sintered to provide composites containing scattered and envel...
10/11/1988
4749283Static pressure bearing
A static pressure bearing device for relatively supporting, in an ambience, an object for relative movement, comprising a fluid supplying portion for supplying a fluid to at least a portion of a surface of the object, and a suction pump for drawing the fl...
06/07/1988
4744676Gas bearing and method of making it
The invention relates to a gas bearing with a bearing surface arranged on a gas permeable element to which a pressure medium can be supplied from an external source. The bearing surface is arranged on a less permeable surface layer, through which holes ar...
05/17/1988
4726692Gas-static bearing with subdivided bearing surfaces
A gas-static bearing including a bearing shell formed of porous material compacted at bearing surfaces thereof for supporting a shaft, the bearing surfaces being distributed over a first group of surfaces consisting of at least two cylindrical jacket surf...
02/23/1988
4715731Gas bearing
A gas bearing and shaft assembly includes complementary sets of guiding surfaces formed on the gas bearing and the shaft being mutually spaced apart defining bearing gaps therebetween, at least one guiding surface of each of the sets being a porous gas pa...
12/29/1987
4710034Double-conical static pressure-type gas bearing
Static pressure-type gas bearing for a high-speed rotary shaft, comprising a porous bearing bushing formed of a pair of hollow cone frustums connected to one another at respective narrow ends thereof....
12/01/1987
4655610Vacuum impregnation of sintered materials with dry lubricant
A method for vacuum impregnation of sintered materials, preferably vacuum impregnation of sintered bearings parts, with dry lubricants is disclosed. The impregnation is performed in the following way. The cleaned parts to be impregnated are placed in a gl...
04/07/1987
4594009Casing for porous self-aligning bushings, and a bearing including the bushed casing
A casing for porous self-aligning bushings combines in a single assembly formed from an elastic material all of the members which contribute to hold a bushing in position while allowing it to self-align, fits hubs of any configuration, provides insulation...
06/10/1986
4582368Dry bearing
A method of manufacture of a dry bearing material for high speed, high load purposes is disclosed. A resin paste obtained by kneeding together a polytetrafluoroethylene (PTFE) resin and a solid lubricant is coated on a porous metallic sintered layer forme...
04/15/1986
4575429Composite self lubricating bearings
Improved composite bearings are provided employing cold forming and sintering techniques. Improvements in compositions for impregnating porous layers of composite bearings are provided comprising lead or lead alloy, perfluorinated polymer, particulate the...
03/11/1986
4571228Bicycle chain structure
Bicycle chain is made of alternating bushing links and pin links. The bushing links have parallel bushings held in interference fit in bushing plates and extended axially beyond the bushing plates, solid metal rolls with a lubricating plating are held loo...
02/18/1986
4509803Sliding member having a novel pore structure on the sliding surface thereof
The present invention relates to a sliding member having a novel micropore structure and an improved seizure resistance and seal property. Conventionally, the surface roughness of a sliding member is defined by, for example, maximum and/or average roughne...
04/09/1985
4494883Bearing surface for thinwalled tube
A bearing surface for a hollow link of rectangular cross section including a pair of replaceable axially aligned bushings press-fitted into a pair of seats swaged in opposite sidewalls of the link....
01/22/1985
4439909Ball joint manufacture
A method of forming a plastic lined ball joint is disclosed using a preheated socket with wider than normal dimensional tolerances and a melt-in-place plastic socket liner which melts on forced contact with the heated socket so as to exactly conform with ...
04/03/1984
4410285Ceramic and metal article and method of making it
An article comprising a component of ceramic material and a metal component has a metal felt located between opposed faces of the two components, the metal felt being permanently joined to both the ceramic face and the metal face to join the two component...
10/18/1983
4165085Foamed plastic lubricating seal
A seal for a gap between at least two surfaces comprising a unitary body member made of a foam plastic material including at least one homogeneous peripheral surface portion and at least one internal porous portion. The porous portion is filled with a lub...
08/21/1979
3985408Bearing having iron sulfur matrix
A bearing comprising a steel backing with a porous matrix composition comprising 1/2 to 6 percent by weight sulfur, 0 to 60 percent copper, and the balance iron which is impregnated with babbitt....
10/12/1976
3947076Lubricating bearing and bracket mounting
A pulley is provided with a bi-ended, hollow tube bearing, bracket mounting assembly. The bearing tube is slit from one end to the other, and one of the lips thus formed is displaced inwardly in chordal relationship to the balance of the bearing along all...
03/30/1976
      4  
 
Sign InRegister
Username  
Password   
forgot password?