Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 7571543 | Method of manufacturing a retainer for a roller bearing A method of manufacturing a retainer for a roller bearing made of a metal plate and has a tubular main portion, pockets formed in the main portion intermittently concerning a circumferential direction and capable of retaining rollers rollably, and an outwardly orien... | 08/11/2009 |
| 7329047 | Rolling member connection belt and motion guide device provided with same A motion guide device is provided with a rolling member connection belt for holding a series of rolling members which circulate in a circulation passage provided with a loaded rolling passage, a non-loaded return passage and a pair of rolling direction changing memb... | 02/12/2008 |
| 7314330 | Bushing system for power transmission products A system is provided for securing two ends of a rotating member, such as a shaft, with respect to a non-rotating member, such as a mounting hub. Inner and outer sleeves have tapered surfaces and are positioned about the rotating member and provided within a bore of ... | 01/01/2008 |
| 7305767 | Shaft and hub mounting system and method A system is provided for securing a rotating member with respect to a non-rotating member. A hollow member, such as a mounting hub or an inner ring of a bearing assembly, includes an extension having an annular outer groove. One or more tapered sleeves serve to lock... | 12/11/2007 |
| 7287407 | Device and method for forming a flanged ring A is adapted to form a flanged ring including an elongated curved extension from an elongated straight flange with an elongated base and an elongated protrusion extending from the elongated base. The device comprises a first pair of opposed surfaces adapted to compr... | 10/30/2007 |
| 7207741 | Bushing system for power transmission products A system is provided for securing two ends of a rotating member, such as a shaft, with respect to a non-rotating member, such as a mounting hub. Inner and outer sleeves have tapered surfaces and are positioned about the rotating member and provided within a bore of ... | 04/24/2007 |
| 7124868 | One-way clutch device and method for manufacturing the same A one-way clutch device comprises a plurality of torque transmission members interposed between an inner race element and an outer race element for performing torque transmission therebetween only during one-way relative rotation. A cage has a pair of flanges for ho... | 10/24/2006 |
| 7033081 | Ball bearing A ball bearing in which an annular cage with a plurality of pockets formed through the annular cage is incorporated between inner and outer rings, a ball is housed in each pocket, the annular cage is guided by the outer ring, and a relationship between a radial clea... | 04/25/2006 |
| 7025391 | Non-permeable pipe connector structure A non-permeable pipe connector structure, the design of which effectively prevents external material (such as vapor and miscellaneous substances, etc.) intrusion. To obstruct the intrusion of external matter into the pipe connector, a ball bearing holder is disposed... | 04/11/2006 |
| 6955476 | Retainer for rolling bearings In machining a pocket (1) installing therein a rolling element, tools (7, 8) are prepared whose milling parts (5, 8a) have contours which coincide with the sectional configuration of the pocket resulting when the pocket has been machined ... | 10/18/2005 |
| 6939053 | System and method for mounting a shaft within a hollow member A system is provided for securing a rotating member with respect to a non-rotating member. A hollow member, such as an inner ring of a bearing assembly, includes an extension having an annular outer groove. A tapered sleeve serves to lock the hollow member about a m... | 09/06/2005 |
| 6926447 | Rolling bearing The present invention provides a rolling bearing which comprises a retainer that can be used without any deformation at high temperatures and fairly assembled to bearing and thus can be used under severe working conditions such as high temperature, high rotary speed... | 08/09/2005 |
| 6922897 | Ball cage Ball cage for homokinetic joints, formed from a blank that is configured as a substantially annular spherical segment, the ball cage includes: window-type ball pockets located along an equator with substantially equator-parallel bearing surfaces that interact with j... | 08/02/2005 |
| 6711818 | Method for machining opening in workpieces A procedure to machine openings in work pieces which provides two cutting blades (11, 12), defining a cutting blade axis, adjacent to a work piece in which an opening is to be machined, the opening defining a distance between two oppositely positioned opening... | 03/30/2004 |
| 6550140 | Method for finishing ball cages meant for homocinetic joints The invention relates to a process for the finishing of ball cages (1) destined for constant-velocity joints which are provided with spherical annular inner and outer bearing surfaces (3, 2) and ball pockets (4) for the accommodation of torque-transmittin... | 04/22/2003 |
| 6513981 | Retainer for rolling bearing and manufacturing method therefor A retainer for rolling bearings is made from a phenol resin in which graphite and cotton fabric chips are mixed, and an inner circumferential surface and side surfaces other than inner circumferential surfaces of the pockets of the retainer are made of a ... | 02/04/2003 |
| 6425182 | Method of making roller cage for roller bearing A roller cage made of metal for holding rollers of a roller bearing, includes: separation bars separately defining a plurality of window holes along a peripheral direction of the bearing with a constant interval thereamong. The window holes respectively r... | 07/30/2002 |
| 6421917 | Method for producing a cage for a cylindrical roll barrel A method of making a cage whose crossbars (3) connecting the side rings (1,2) are profiled whereby the rolling elements (5) are retained individually on both sides of the pitch circle by retaining edges (12,13) extending parallel to the axis of the rollin... | 07/23/2002 |
| 6394659 | Cages for split roller bearings A cage (14) for a split roller bearing (10) is composed of two semi-circular components (15) detachably interconnected at their ends. Each of the components (15) is itself constructed from a pair of blanks (17). Each blank (17) takes the form of a mild st... | 05/28/2002 |
| 6367983 | Needle bearing cage and method for producing the same The invention relates to a window cage (1) for a needle bearing. The pockets (5) of said window cage are formed by punched out sections and by a stamping process with material displacement in a cage strip (9) which is then bent round. According to the inv... | 04/09/2002 |
| 6330748 | Method of making formed bodies A method of making a formed body from iron alloys, in particular a cage for use in a radial roller bearing, axial roller bearing or linear roller bearing, includes the steps of treating a metal strip by heat treatment or thermochemical treatment for provi... | 12/18/2001 |
| 6315456 | Bearing retainer of synthetic resin, method of manufacturing the same and rolling bearing A bearing retainer of a synthetic resin, which can be injection molded out of a material obtained by mixing at least particles of a heat resisting reins with a thermoplastic resin, and which can thereby be manufactured at a low cost without compromise in ... | 11/13/2001 |
| 6161414 | Method of and device for finishing cage windows The invention relates to a method of finishing cage windows in a ball cage for a constant velocity universal ball joint. The ball cage for use with the present invention has the shape of an annular member which comprises two parallel annular edges and a c... | 12/19/2000 |
| 6039475 | Retainer for roller bearing and method for manufacturing the same A retainer and method of manufacturing the same which makes it possible to form roller stopper lugs reliably on broken surfaces on the side faces of the crossbars formed by punching and also guide surfaces which can guide rollers with high accuracy. A plu... | 03/21/2000 |
| 5988883 | Endless retainer of guide device and fabrication method thereof An endless retainer of a guide device including a number of rolling bodies arranged at predetermined intervals for rolling at an inside of an infinite track formed in the guide device, a flexible resin connector having interposing portions interposed amon... | 11/23/1999 |
| 5862592 | Cage for roller bearings and method for manufacturing the same A cage for a roller bearing which is free of fretting and abnormal noise, which can be manufactured at low cost, and which can be easily mounted in the bearing. The cage is formed by bending a metal sheet having pockets into a ring shape, temporarily join... | 01/26/1999 |
| 5640769 | Method for producing a cage of the ball bearing To provide a ball bearing that insures reasonable endurance and which reduces the necessary torque for rotation while causing less fluctuations in torque, a synthetic resin cage of the ball bearing for retaining a plurality of balls so as to roll freely i... | 06/24/1997 |
| 5558448 | Rolling bearing A rolling bearing comprising an outer race having one track, an inner race having the other track, a plurality of rolling elements arranged between the both tracks, and a cage for retaining the plurality of rolling elements in such a way that the rolling ... | 09/24/1996 |
| 5499452 | Method of making retainers for ball bearings Material is first formed into a flat ring. Ball retaining pockets are then formed in the flat ring leaving bridge material between adjacent pockets. Bearing balls are inserted into the ball retaining pockets and bridge material between adjacent pockets is... | 03/19/1996 |
| 5469620 | Method of assembling a bearing A flat, thin ring is formed into a modified ring having bridge material between adjacent, initial ball pockets. Movable anvils having a rounded surface are positioned within the initial ball pockets and the bridge material is flattened such that a flat br... | 11/28/1995 |
| 5446963 | Method of forming one-piece metallic ball bearing cage A flat, thin ring is formed into a modified ring having bridge material between adjacent, initial ball pockets. Movable anvils having a rounded surface are positioned within the initial ball pockets and the bridge material is flattened such that a flat br... | 09/05/1995 |
| 5410902 | Method of producing a cage for a constant velocity universal joint The invention relates to a method of producing a cage for constant velocity universal joints. The method involves a chipless forming operation. The method improves radial guidance of the balls by using larger window faces which are also produced in a chip... | 05/02/1995 |
| 5410809 | Method of making a bearing cage with depressed slot end A flat strip of metal is formed to provide a depressed center relief portion between two edge portions. Depressions are formed in the two edge portions and center slots are pierced across the center relief portion such that roller receiving slots are form... | 05/02/1995 |
| 5404642 | Method of assembling a bearing A flat, thin ring is formed into a modified ring having bridge material between adjacent, initial ball pockets. Movable anvils having a rounded surface are positioned within the initial ball pockets and the bridge material is reformed such that a substant... | 04/11/1995 |
| 5335416 | Roller bearing sigma cage A strip of metal is pierced intermediate the edges thereof to form slots for rollers and is bent adjacent the edges to form flanges. Each bend intersects the slots such that the slots wrap around the bends into the flanges. The strip of metal is then form... | 08/09/1994 |
| 5291655 | Method of making a one-piece ball bearing retainer Material is first formed into a flat ring. Ball receiving pockets are formed in the flat ring leaving bridge material between adjacent pockets. Bridge material between adjacent pockets is flattened such that the bridge material spreads to meet the adjacen... | 03/08/1994 |
| 5214850 | Method of making a cage for use in a roller bearing A method of making a cage for use in a roller bearing comprises the steps of forming an inner circumferential groove centrally in an annular-shaped workpiece made of metal to define a circumferentially-extending side ring section on either side of the gro... | 06/01/1993 |
| 5189791 | Method for making a retainer having enhanced roller retention A retainer for use with a needle roller bearing having crossbars with an inverted trapezoidal shape such that the cross bars shape increases roller retention. A method for manufacturing the enhanced retention retainer is described which also eliminates th... | 03/02/1993 |
| 5190713 | Process for the production of a roller bearing cage with molded-on spring elements A process for producing a rolling bearing cage with cast-on spring elements, in particular of a pinch roll free engine clutch, with a rolling bearing cage for guiding the rolling bearings. The cage is made by casting two rims, interconnected by several we... | 03/02/1993 |
| 5172986 | Roller bearing having roller holding projections formed by calking A cage and roller type roller bearing is provided. The bearing generally include a cylindrical cage and a plurality of rollers which are maintained in position by the cage. The cage includes a pair of circumferential sections and a plurality of axial sect... | 12/22/1992 |
