Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 8123407 | Ball spline device Provided is a ball spline device, in which an outer diameter of a nut member can be downsized to the maximum while sufficiently performing an original function, and which can keep reliability while being capable of being simply manufactured at lower cost without inv... | 02/28/2012 |
| 7980763 | Motion guide device A motion guide device having a novel scoop section structure whose scoop section is not likely to break even if a movement member is moved at high speed. A scoop section (22) of a movement block (12) scoops balls (13) that roll in a ball rolling... | 07/19/2011 |
| 7845854 | Motion guide device A motion guide device 10 includes a track rail 11 as a track member and a movable member 13 mounted to the track rail 11 via a plurality of balls 12. The plural balls 12 of the motion guide device 10 are disposed in a... | 12/07/2010 |
| 7832929 | Linear motion guide unit An end cap in the present linear motion guide unit is made up of an end cap major part and a spacer part, which, once assembled, define a turnaround passage between them to make sure of smooth running of the rolling elements. Especially, the turnaround passage in th... | 11/16/2010 |
| 7677803 | Quick release coupling device for a linear guideway A quick release coupling device for a linear guideway comprises a rail, a slide block, a pair of end caps and a pair of connectors. Each of the end caps has a through hole in which are annularly arranged a slant rotary abutment surface and a plurality of grooves. Th... | 03/16/2010 |
| 7637662 | Rolling guide unit A rolling guide unit as provided here is capable of raising the degree of flexibility in design and simplifying the control of lubricating oil and has a low sliding resistance to the rolling elements. The rolling guide unit is provided with a cylindrical member 2... | 12/29/2009 |
| 7594756 | Rolling member guiding structure A rolling member guiding structure installed in the circulation tunnel of a sliding block in a linear transmission mechanism. The guiding structure has a bar shaped part disposed along the inner wall of the circulation tunnel of the sliding block so as to form the i... | 09/29/2009 |
| 7465092 | Ball chain A ball chain comprises a sequence of balls and an longitudinally elongated spacing chain having a sequence of holes thereon for receiving the balls. The spacing chain further includes a sequence of spacers interposed between the balls whereby the balls will be separ... | 12/16/2008 |
| 7441956 | Linear guide/feed module with guide body and boom for it A linear guide/feed module has a tubular boom movable along a movement axis, a housing encompassing the tubular boom so that the boom is travelable out of and into the housing along the movement axis, a drive unit for driving the boom to move in relation to the hous... | 10/28/2008 |
| 7410301 | Linear rolling bearing This mounting system features a base displaced from a mounting plate which is used to anchor a base mounted receiver releasably. The base has a pair of flexible arms to engage the receiver in channels that have a catch edge at the ends of the channels. The base is c... | 08/12/2008 |
| 7401978 | Linear motion guiding apparatus A linear guiding device where noise characteristics are improved by reducing traveling noise and operability of a slider body is smoothed, and where movement braking can be improved by reducing rolling body passage vibration. Crowning 24 with a curved surface... | 07/22/2008 |
| 7393139 | Linear guiding unit A linear guide unit comprising a guide carriage (3) that is mounted through rolling elements (2) for sliding on a guide rail (1), said guide carriage (3) comprising a carrier body (4) and end caps (5) arranged on front ends ... | 07/01/2008 |
| 7377693 | Steel wire retainer for a sliding block A steel wire retainer for a sliding block comprises a plurality of steel wire retaining members, each of which includes a locking section on the sliding block and a plurality of steel wire retaining members. The steel wire retaining members each has a hook formed on... | 05/27/2008 |
| 7374339 | Seal device for a guide device and guide device A seal device fixed to an end portion of a slider of a guide device includes: a casing; a plurality of seal members; and elastic members, wherein each seal member has a recess portion in which a rail penetrates. An inner circumferential face of the recess portion co... | 05/20/2008 |
| 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 |
| 7320546 | Rolling guide apparatus A rolling guide apparatus is provided which is reduced in size and weight, and which includes a track rail of a flexible structure of course having a function of absorbing an impact load and capable of automatically adjusting an error between mounting surfaces of th... | 01/22/2008 |
| 7303335 | Linear-motion device and method of manufacturing the same A linear-motion device has: a slider provided onto a guide rail relatively movably; and a plurality of rolling elements for causing the slider to move relatively in a longitudinal direction of the guide rail; whereby the slider comprising a slider block having rolli... | 12/04/2007 |
| 7300208 | Linear guide unit and method for manufacturing the same A guide rail (12) of a linear guide unit (10) is provided with at least one running rail (16), which has at least two races (16a) that have different load transmission directions. According to the present invention, the running rai... | 11/27/2007 |
| 7296930 | Rolling guide device and manufacturing method thereof, and driving device including the rolling guide device There are provided a rail (10) in which a rolling member rolling surface (11) is formed along the longitudinal direction, a block (20) in which a loaded rolling member rolling surface (27) is formed in an opening (25) comprising a ... | 11/20/2007 |
| 7290647 | Guide apparatus A guide apparatus has a standard end plate split into a pair of split parts that can be positioned with respect to each other with high accuracy and firmly secured to each axial end of a moving block body without fear of displacement during use. The guide apparatus ... | 11/06/2007 |
| 7278845 | Concrete-block-making machine The invention relates to a concrete-block-making machine having a part which is displaceable via a linear drive, the linear drive comprising a drive unit and a linear guide for guide rollers, the drive unit comprising at least one linear motor and the linear guide c... | 10/09/2007 |
| 7263901 | Method and device for determining the direction of displacement of a roller bearing component A measuring arrangement in a roller bearing, which determines the direction of displacement of a displaceable bearing component in relation to a stationary bearing component. Four pressure-dependent resistors (R1, R2, R3, R4) of a bridge ... | 09/04/2007 |
| 7241048 | Linear guide device, chain body, and method of producing a chain body A linear guide device has a guide rail extending in a guiding direction, a guide carriage guided on the guide rail by at least one roll body revolving mechanism in the guiding direction. The at least one roll body revolving mechanism includes a revolving passage and... | 07/10/2007 |
| 7237954 | Rolling element retainer for a linear guideway A rolling element retainer for a linear guideway, wherein the rolling groove of the connective part of the rolling elements retaining chain is composed of a loaded area and a direction changing area. At either end of the loaded-area retainer is arranged an outward e... | 07/03/2007 |
| 7234866 | Linear sliding guide, in particular for inter-adjustable components of office chairs A linear sliding guide comprises a longitudinal guide rail with guide flanks that extend in a direction of sliding and a bearing block that lodges therein and has corresponding counterpart flanks. Compensation-for-play spring assemblies are provided between these tw... | 06/26/2007 |
| 7229212 | Ball linear guide and manufacturing method thereof A metallic flat plate base of a metallic component of a ball linear guide includes a pair of plate portions integrally connected with each other through a first flat plate portion and being formed with dovetail grooves which constitute loaded ball grooves. A first s... | 06/12/2007 |
| 7204379 | Crane A crane has at least one telescopic crane arm with at least two sliding arms that are moveable against each other. At least one gliding element, which is housed in a frame in a detached and unfastened manner, is arranged between the sliding arms. The gliding element... | 04/17/2007 |
| 7159481 | Ball screw device and linear motion device In a ball screw device comprising a screw shaft and a nut which make relative movement to each other through a multiplicity of balls, as well as in a linear motion device comprising an outer member and an inner member which make the relative movements to each other ... | 01/09/2007 |
| 7146869 | Ball screw device and linear motion device A spacer between adjacent balls of, for example, a ball screw device or a linear motion device has an outer periphery that is concave such that the spacer is elastically deformed to be in substantially circular line contact with the adjacent balls and that a distanc... | 12/12/2006 |
| 7137741 | Rolling bearing A rolling bearing intended for longer life by improving seizure resistance and wear resistance in the circumstance with slip contact or in the circumstance where lubricant tends to be exhausted, which is manufactured by applying carburization or carbonitridation to ... | 11/21/2006 |
| 7062987 | Ball bearing and a continuously variable speed transmission of belt type A ball screw in a continuously variable speed transmission has an axially immovable pulley half (2) and axially movable pulley half (3) both mounted on a rotary shaft (4). The axially movable pulley half (3) is moved by a ball screw (2... | 06/20/2006 |
| 7044642 | Guiding module for rolling-element The present invention relates to a guiding module for rolling-element, which is comprised of the partition and the link-ring. The characteristic of the guiding module for rolling-element is that has the rotatable structure, which uses the cooperation of pillar and t... | 05/16/2006 |
| 7036249 | Tooth adapter having an elastomeric clamp assembly and method for using same A tooth adapter having an elastomeric clamp assembly and a method for using the same are provided. The system includes a tooth adapter having a first end operable to receive a removable tooth point and a second end having an upper blade and a lower blade, the upper ... | 05/02/2006 |
| 7032334 | System and method for coupling excavation equipment components In accordance with a particular embodiment of the present invention, a system for coupling excavation equipment components includes a pin assembly configured to couple a first tool body to a second tool body. The pin assembly is configured to be received at least pa... | 04/25/2006 |
| 7029214 | Linear guide apparatus There is provided a linear guide apparatus which, owing to the use of a gap-free braking device in a rolling guide, has a sufficiently high damping capacity. The linear guide apparatus for guiding a linear motion of a movable body along a guide rail on a fixed struc... | 04/18/2006 |
| 7014364 | Linear guide bearing apparatus In a linear guide bearing apparatus wherein a separator is interposed between adjacent balls K and K moving following a curved circulating path 8, and the ball K contacts concave faces W of the separator Tat both ends in an axial line direction and at the sam... | 03/21/2006 |
| 7010412 | Method for calculating parameters in road design of S-type clothoid, complex clothoid and egg type clothoid The present invention relates to a method for calculating parameters in a road design of a S type, a complex type and an egg type clothoid, and in particular to a method for calculating a parameter value capable of determining the size of a clothoid that is inserted... | 03/07/2006 |
| 7008107 | Linear motion guide unit A linear motion guide unit has a guide rail made of a thin plate, and a stopper construction installed detachably to the guide rail to prevent a slider from becoming untethered while on a sliding movement relative to the guide rail. A linear motion guide unit is dis... | 03/07/2006 |
| 7001072 | Linear guideway with damping means A linear guideway with damping is provided mainly comprising a guide rail and a slider module, said slider module comprising a slider body, a plurality of roller balls, caps for roller balls to circulate and a damping block. The slider module is provided with said d... | 02/21/2006 |
| 6997078 | Ball screw apparatus A ball screw apparatus which can suppress retaining pieces from contacting a wall of a ball rolling path or ball circulating path, and suppress the retaining pieces between the balls from falling down, so that such a ball screw apparatus can be improved in noise red... | 02/14/2006 |
