| Patents for F16H 21 - Gearings comprising primarily only links or levers, with or without slides (4,921) |
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| 09/15/1994 | WO1994020772A1 Improvements in or relating to variable gears and drives |
| 09/15/1994 | DE4307200A1 Angular crank drive, for pump or engine |
| 09/14/1994 | CN2177131Y Lever power-saving transmission device |
| 09/08/1994 | DE4309160C1 Articulation arrangement for pivoting a gate (door) |
| 09/07/1994 | EP0614028A1 Device for generating an inverted kinematic movement |
| 09/01/1994 | DE4412165A1 Crank mechanism for converting rectilinear reciprocating movements into rotary movements and vice versa |
| 08/24/1994 | CN2175317Y Motion-compounded wheel teech bar oil pump |
| 08/23/1994 | US5339779 Piston connection for a reciprocating piston engine |
| 08/11/1994 | DE4403538A1 Structure of the driving portion of a power-driven tool |
| 08/10/1994 | EP0560758B1 Electric toothbrush |
| 07/27/1994 | EP0607154A1 Energy converter on the hot-air engine principle. |
| 07/21/1994 | DE4300617A1 Manually or motor driven crusher for biologically disposable garden of household rubbish |
| 07/20/1994 | CN2172372Y Lever speed reducer |
| 07/13/1994 | CN1089336A Connecting-rod mechanism with slave rod rotating unidirectionally without dead point |
| 07/12/1994 | CA2034005C Lever apparatus having a freely movable fulcrum and mechanical apparatus using the same |
| 07/07/1994 | WO1994015118A1 Two-stage driven lever device and machine apparatus employing the same |
| 07/07/1994 | WO1994015117A1 Lever device having fixed point of support, rocking point of force and rocking point of application, and machine apparatus employing the same device |
| 07/07/1994 | DE4344977A1 Crank gearbox with rest position |
| 07/07/1994 | DE4244514A1 Gearbox to translate rotary into stroke motion |
| 06/29/1994 | EP0521035B1 Device for guiding a movement |
| 06/28/1994 | US5324240 Eccentric gear system |
| 06/23/1994 | WO1994013940A1 Variable horsepower output gearing for piston engine |
| 06/15/1994 | CN2168995Y Transmission with sector gear and lever |
| 06/14/1994 | US5320208 Reciprocating lift mechanism |
| 06/08/1994 | EP0599915A1 Interconnecting rotary and reciprocating motion. |
| 06/07/1994 | US5317934 Variable speed linear actuator |
| 06/07/1994 | CA2006040C Mechanical force enhancer |
| 05/31/1994 | US5315890 Device for guiding a translation movement |
| 05/19/1994 | DE4308046C1 Eccentric drive mechanism - has rope with one end attached to holder which is steplessly adjustable along track and has other end attached to return mechanism |
| 05/18/1994 | EP0597104A1 Oldham drive engine |
| 05/17/1994 | US5311633 Electric power driven toothbrush |
| 05/11/1994 | EP0596422A1 Differential |
| 05/10/1994 | US5309779 Four dead centers crank mechanism |
| 05/04/1994 | CN1086296A Dynamic and static parallel alternating rotary power transmission mechanism |
| 05/03/1994 | CA1329187C Counterbalancing system for rotatable suspension arms |
| 04/20/1994 | CN1085634A Labour-saving, fast-telescoping and -rolling power take-off lever for bicycle, ship, etc. |
| 04/12/1994 | US5301562 Power transmission device |
| 04/07/1994 | DE4226361A1 Fuel-air mixt. compressing IC engine - has remaining space during compression varied w.r.t. mixt. feed quality in direction of best compression ratio |
| 04/07/1994 | DE4217532A1 Gearbox for converting rotationally symmetrical movement into translatory motion - has cross-slide supporting longitudinally sliding carriages whose free ends span cross over break before their centres reach same. |
| 03/30/1994 | EP0589760A1 Single-ring-gear planetary transmission unit with small difference between teeth of meshing gears |
| 03/30/1994 | EP0589666A1 A linear link selectively providing for lost motion |
| 03/29/1994 | US5297448 For an internal combustion engine |
| 03/24/1994 | DE4231761A1 Displacement rod for electromechanical bicycle gearing - couples latter to one lever of parallelogram linkage to provide pivot movement |
| 03/23/1994 | CN2159463Y Direction reverser for chain oil sucker |
| 03/22/1994 | US5295572 Device for pivoting a pivotable module out of the path of a conveyor belt |
| 03/16/1994 | EP0407599B1 Telescopic cover apparatus |
| 03/15/1994 | US5293782 Process and device for driving a surface in a reciprocating motion in a plane |
| 03/08/1994 | CA1327554C Compressed gas motor |
| 03/03/1994 | DE4228347A1 Crank mechanism hypocycloid drive for IC piston engine - has guideway at special drive position only, with force flow between housing fixed parts and those at outer eccentric disc. |
| 03/02/1994 | EP0584301A1 Electric drive for a mixing machine. |
| 02/22/1994 | US5287728 Power transmission device for press machine |
| 02/17/1994 | WO1994003740A1 Motion converter with pinion sector/rack interface |
| 02/17/1994 | DE4226701A1 Feed unit with rolls - with a link connection between the rolls and a drive shaft controlling the feed stroke |
| 02/16/1994 | EP0582910A1 Power work arm |
| 02/16/1994 | CN1023828C Reciprocating pump air compressor transmission mechanism |
| 02/01/1994 | CA2004937C Breaker control |
| 01/20/1994 | WO1994001670A1 Energy converter on the hot-air engine principle |
| 01/20/1994 | CA2117200A1 Energy converter on the hot-air engine principle |
| 01/18/1994 | US5279178 Two dimensional drive system |
| 01/13/1994 | DE4221258A1 Universal joint for two levers with bearing hole - has second lever divided into two arms on each side of first lever |
| 01/12/1994 | CN1023504C Piston hanger for piston-machines |
| 01/11/1994 | US5277155 System for achieving four-stroke cycle in an internal combustion engine with a single rotation of the crankshaft |
| 01/05/1994 | DE4222455A1 Oscillatory drive pref. for hair trimmer or shaver - comprises two beams executing parallel movements under action of push-rods driven by eccentrically mounted rotary disc |
| 01/04/1994 | US5275095 Brine injection device |
| 12/29/1993 | EP0575602A1 Rotary hopper transfer mechanism. |
| 12/29/1993 | CN2151311Y Assembled model of adjustable plane link mechanism |
| 12/28/1993 | US5273011 Arrangement for converting linear motion from a power source to a rotary motion |
| 12/23/1993 | WO1993025330A1 Automatic forming machine |
| 12/22/1993 | EP0575223A1 Sequential pivot pin force multiplier |
| 12/16/1993 | DE4218955A1 Automatic eccentric hot-forging press - is for indexing workpieces and has irregular drive mechanism for eccentric shaft |
| 12/15/1993 | EP0515427B1 System for achieving a four-stroke cycle with a single rotation of the crankshaft in an internal combustion engine |
| 12/15/1993 | CN2149517Y Reciprocating piston type gearing for air compressor |
| 12/07/1993 | US5267479 Force actuator arrangement |
| 12/01/1993 | CN2148199Y Cam extended-range type long-stroke oil pumping unit |
| 11/24/1993 | CN2147374Y High-effect energy-saving rod oil suction machine |
| 11/23/1993 | CA1324656C Pivoted-arm type mechanism and sonar array equipped with such mechanism |
| 11/17/1993 | CN2146609Y Gearing for conveying rotary motion |
| 11/09/1993 | US5259419 Keying lever arrangement in a high-speed rotary dobby |
| 11/09/1993 | US5259256 Motion converter with pinion sector/rack interface |
| 10/26/1993 | US5255572 Variable stroke mechanism |
| 10/20/1993 | CN2144198Y Stud ring driven beam-pumping unit |
| 10/19/1993 | US5253541 Oil well pumping mechanism |
| 10/12/1993 | US5251502 Mechanical force enhancer |
| 09/30/1993 | WO1993018850A1 Electric drive for a mixing machine |
| 09/29/1993 | CN1022261C Differential mechanism with planar bar linkage |
| 09/23/1993 | DE4307205A1 Crank guide drive for IC engine - has bearing with roller moving in cage between crankpin sleeve and bearing race according to direction of linear motion |
| 09/22/1993 | CN2142513Y Double crank rocker transmission mechanism for pleasure-boat or racing vehicle |
| 09/16/1993 | WO1993018319A1 Crank mechanism and machines, especially engines, using same |
| 09/16/1993 | WO1993018318A1 Slewing mechanism |
| 09/08/1993 | EP0558482A1 Harmonic reciprocating heat engines |
| 09/02/1993 | WO1993016894A1 Device for guiding mobile elements of mechanism, in particular of spring-mounted vehicle seats |
| 09/01/1993 | EP0557393A1 Drive linkage for agricultural device |
| 08/31/1993 | US5239893 W-mechanism and radial-plunger-type hydraulic pressure apparatus incorporating such W-mechanism |
| 08/26/1993 | DE4205283A1 IC engine etc. with hypocycloidal crank drive - has connecting rod big end bearing with bore for eccentric with bearing clearances of different sizes |
| 08/25/1993 | EP0556759A1 Cam device |
| 08/25/1993 | CN1075535A Dual-function rack wobble-wheel type beam unit |
| 08/25/1993 | CN1021925C Combined-acting wheel pull-rod type pumping unit |
| 08/24/1993 | US5237887 Maintaining motion of a platform |
| 08/24/1993 | US5237884 Power transmission device |
| 08/19/1993 | DE4204319A1 IC engine with external ignition - has two-part central shaft with end discs and central cage, which guides shaft, held eccentrically in discs |