| Patents for F16H 25 - Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms (11,986) |
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| 04/09/1991 | CA1282757C Headlamp adjusting mechanism |
| 04/04/1991 | DE3931430A1 Spindle drive with spindle nut - is used to convert rotary into linear movement, and has magnetic bearing enclosing spindle thread |
| 04/03/1991 | EP0420682A2 Meshing gear members |
| 04/03/1991 | EP0419582A1 Method for lathe machining of parts presenting a surface which is not a revolution surface |
| 03/29/1991 | CA2026484A1 Meshing gear members |
| 03/28/1991 | DE3930900A1 Ball thread drive with threaded spindle and nut - has interposed ball race channels and integrated deflection guides |
| 03/27/1991 | EP0418999A1 Ball screw return system |
| 03/27/1991 | EP0418415A1 Elevation bed |
| 03/27/1991 | CN1050254A Quick closed-open steel ball spiral drive mechanism |
| 03/21/1991 | WO1991003670A1 Improved screw and nut machine |
| 03/21/1991 | WO1991003669A1 Stepper actuator |
| 03/21/1991 | DE3930064A1 Low wear linear or rotary drive - incorporates several sloping thrust surfaces with successive engagement |
| 03/20/1991 | EP0418197A1 Toggle link power amplifier |
| 03/14/1991 | DE3928457A1 Axial shaft bearing for spindle shaft - has housing for shaft and piston cylinder unit |
| 03/13/1991 | EP0416449A2 Ball screw mechanism |
| 03/06/1991 | CN1011907B Screw with recirculated satellite rollers |
| 03/05/1991 | US4997069 Electromotive drive for a control element |
| 03/05/1991 | CA1280984C Printing apparatus including a single revolution clutch |
| 02/27/1991 | CN1011813B Arrangement for converting rotary motion to axial motion |
| 02/26/1991 | US4996397 Spring-force drive for a power switch |
| 02/21/1991 | WO1991001905A1 Service lift stand apparatus for small tractors |
| 02/21/1991 | DE3926788A1 Cam gear with driven piece and roller - consists of three cam discs with counter-cam discs and one frame point |
| 02/19/1991 | US4994721 Electric drive |
| 02/19/1991 | US4993275 Cam mechanism for periodically swiveling a swivel device |
| 02/12/1991 | CA1280008C Fluid-power device with rollers |
| 02/06/1991 | EP0412072A2 A support nut |
| 01/30/1991 | EP0410032A1 Nut for threaded spindle |
| 01/16/1991 | EP0259405B1 Operating system for riveting tool |
| 01/15/1991 | US4984657 Service lift stand apparatus for small tractors |
| 01/15/1991 | US4984477 Driving device |
| 01/10/1991 | DE3921002A1 Spindle drive with at least three rollers - has rollers mounted in housing, in staggered formation, and has tapering driven spindle |
| 01/09/1991 | EP0407232A2 Screw adjustment mechanism with pre-set backlash |
| 01/09/1991 | CN1011158B Improved folding screw mechanism with vertically elevating leading-screw |
| 01/02/1991 | CN1048252A Ball gearing |
| 01/02/1991 | CA1278441C Gearless differential speed reducer |
| 01/02/1991 | CA1278438C Compact transmission for automatic washer |
| 12/18/1990 | US4978261 Quill stop |
| 12/18/1990 | US4977788 Apparatus for adjusting the positions of components in machines |
| 12/05/1990 | EP0400265A2 Method for manufacturing a ball deflector guide for a ball nut and a ball screw device |
| 12/05/1990 | EP0371132A4 Electric drive |
| 12/05/1990 | CN1047556A Automatic mechanism transmission apparatus with transmission rate which vary steplessly from infinitely great to less than 1/1 |
| 12/04/1990 | US4975151 Two-speed single lever stepper actuator |
| 12/04/1990 | US4974464 Motorized anti-backlash linear actuator |
| 12/04/1990 | CA1277179C Apparatus for displacing a piston in a chamber |
| 11/28/1990 | EP0399888A1 Steplessly variable mechanical automatic transmission having a ratio between infinity and less than one |
| 11/28/1990 | EP0399884A1 Plate freezer |
| 11/24/1990 | CA2017448A1 Automatic transmission continuously variable with an infinite ratio down to below 1/1 |
| 11/22/1990 | DE3920317A1 Kugelkraftgetriebe Ball power transmission |
| 11/22/1990 | DE3916493A1 Spindle drive with spindle nut - has roller ring units engaging in spindle thread |
| 11/21/1990 | CN1047136A Device for converting linear reciprocating motion to rotary motion |
| 11/19/1990 | WO1990014532A1 Ball bearing transmission |
| 11/19/1990 | CA2033061A1 Ball bearing transmission |
| 11/14/1990 | EP0397631A2 A device for converting linear reciprocating motion to rotary motion |
| 10/31/1990 | CN1010247B Gearless differential speed reducer |
| 10/30/1990 | US4966045 Powered six-way seat adjustor and mechanisms therefor |
| 10/24/1990 | EP0265439B1 Electrical regulator |
| 10/23/1990 | US4964503 Manipulator using a single motor driving plural flexible shafts |
| 10/23/1990 | US4964314 Device for converting rotary motion to linear motion |
| 10/18/1990 | DE3927396A1 Pneumatic or hydraulic rotary drive for stopcock - includes central piston rod with diametric cross-bolt |
| 10/18/1990 | DE3911931A1 Spindle drive with spindle nut - has spring elements either side of engagement plane for compactness |
| 10/17/1990 | CN1046213A Screw driving mechanism |
| 10/16/1990 | US4962676 Two axis transfer device |
| 10/16/1990 | US4962674 Safety device |
| 10/11/1990 | DE3911040A1 Linear drive unit |
| 10/11/1990 | DE3910814A1 Screw-driven linear stroke unit |
| 10/10/1990 | EP0390897A1 Quick-disconnect screw device. |
| 10/10/1990 | EP0390894A1 A sealing assembly |
| 10/02/1990 | US4960007 Cam-helical actuator with backlash elimination |
| 10/02/1990 | US4960003 Transmission |
| 09/27/1990 | DE3924548A1 Four shaft gear with one stationary housing at shaft - has three rotary shafts with planetary wheels and adjusting gear |
| 09/27/1990 | DE3909513A1 Linear-advancing mechanism |
| 09/26/1990 | CN1045638A Propeller mechanism |
| 09/12/1990 | EP0386771A1 Electromechanical linear actuator |
| 09/11/1990 | US4955244 Operating apparatus for clean room |
| 09/11/1990 | US4955243 Motion transforming apparatus |
| 09/05/1990 | EP0385265A1 Spring motor driving mechanism for a circuit breaker |
| 09/04/1990 | US4954735 Linear actuator |
| 09/04/1990 | US4954032 Anti-backlash nut |
| 09/04/1990 | US4953675 Simply supported secondary shafting system torque sensor |
| 09/04/1990 | US4953419 Ball screw return system |
| 09/04/1990 | US4953418 Linear feed mechanism |
| 08/30/1990 | DE3906053A1 Gearing in the manner of a tension-wave gearing |
| 08/29/1990 | EP0384629A2 Composite articles and methods for their production |
| 08/29/1990 | EP0383915A1 Electric drive with manual doubler |
| 08/23/1990 | DE3905274A1 Spindle drive |
| 08/22/1990 | EP0292524B1 Single revolution clutch |
| 08/22/1990 | CN1009298B Gearing for converting rotory motion to cyclic motion |
| 08/21/1990 | US4949585 Telescopic screw jack for the adjustment of an element such as a vehicle seat |
| 08/16/1990 | EP0381677A1 A gear assembly. |
| 08/08/1990 | CN1009129B Spiral mechanism |
| 08/07/1990 | US4947070 Control apparatus |
| 08/07/1990 | US4945781 Ball screw mechanism |
| 08/07/1990 | US4945778 Fluid-power device with rollers |
| 08/02/1990 | DE3902857A1 Hydrostatic worm-and-rack drive |
| 08/02/1990 | DE3902273A1 Device for the infinitely variable adjustment of the preload of the double nut of a screw drive, particularly a ball screw |
| 08/01/1990 | EP0379612A1 Electrically driven actuator |
| 07/31/1990 | CA1272055A1 Air motor - harmonic drive slice lip automation system |
| 07/26/1990 | DE3932001A1 Screw spindle gear with fail=safe action - has safety nut with external cone dropping into counter ring in event of fault |
| 07/19/1990 | DE3901317A1 Device for setting the axial preload of rolling contact bearings and spindle nuts |
| 07/19/1990 | DE3900121A1 Ball bearing axial tension regulating assembly |