Did You Know...
...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 7857522 | Rolling mill oil film bearing An oil film bearing assembly rotatably supports the neck of a roll in a rolling mill. The bearing assembly comprises a housing containing a sleeve bearing and a thrust bearing. A circular lock assembly coacts with the thrust bearing to axially retain the bearing ass... | 12/28/2010 |
| 7413349 | Wheel bearing unit A wheel bearing unit having at least one outer part, at least one inner part and having at least two rows of rolling elements between the outer part and the inner part, on the outer part at least one inner raceway, and on the inner part at least one outer raceway fo... | 08/19/2008 |
| 7160192 | Cross shaft and cross shaft joint Across shaft has four trunnions externally provided with roller bearings in a plurality of rows. Each of the trunnions is formed with a recess at its distal end face. A bottom region of the recess is formed in a spherical shape. An inner diameter of an opening regio... | 01/09/2007 |
| 6196727 | Rolling bearing unit with track surface for ensuring proper positioning of lip seal during assembly A rolling bearing unit comprises a first inner ring member having a first outer peripheral surface portion, a second outer peripheral surface portion, a peripheral shoulder formed in the first outer peripheral surface portion, a track surface formed in th... | 03/06/2001 |
| 5813770 | Hub of a bicycle A hub of a bicycle includes a hub shell which has two dust caps threadedly engaged to both ends of the hub shell, a sleeve inserted in the hub shell and located between the two dust caps, an axle rotatably inserted in the sleeve and has a first and a seco... | 09/29/1998 |
| 4915511 | Roller chain A roller chain having plural bearing rollers located around the outer-periphery of a bushing, rollers surrounding the plural bearing rollers and thrust rings located at the gaps between rollers and inner link plate. The running resistance, abrasion and du... | 04/10/1990 |
| 4848933 | Rotary mounting for mounting a gear wheel relative to a frame A rotary mounting for mounting a gear wheel relative to a frame, the gear wheel being constrained to rotate with a shaft such as a drive shaft, the mounting being constituted by: the gear wheel being mounted at one end of the shaft around the outer periph... | 07/18/1989 |
| 4506936 | Bearing assembly A bearing for registration in the end of the cylindrical tubular body of a cylindrical tubular roller of a conveyor having an inner race member, an outer race member, and discrete bearing elements positioned between said inner and said outer race members ... | 03/26/1985 |
