82666 ⎘
Devices, e.g. jacks, adapted for uninterrupted lifting of loads with racks actuated by pinions with racks comprising pivotable toothed sections or segments, e.g. arranged in pairs
Jack with Self-Adjusting Securement Mechanism
#2Thrust chain device having a toothed sprocket with long asymmetrical teeth
#3Device for actuating a mobile platform
#4Thrust lifting device
#5Retractable Column and Method of Forming
#6Thrust chain device
#7Tracked lifting platform for vehicles, and lifting mechanism for a tracked lifting platform
#8Retractable Column and Method of Forming
#9Vertically movable workpiece support device
#10Vertically movable workpiece support device
#11Engagement chain and movable body movement device
#12Retractable column and method of forming
#13Interlocking chain unit
#14Retractable column and method of forming
#15Engagement chain unit
#16Engagement chain unit
#17Engagement chain type device for forward and backward movement operation
#18Advancing/retracting actuation device with meshing chain
#19Meshing chain stopper
#20Push chain, linear motion driving device and patient table
#21Retractable column and method of forming
#22VERTICAL LIFT MECHANISM FOR USE IN CONFINED SPACES
#23Lifting engagement chain unit
#24Retractable column and method of forming
#25Lift-driving engagement chain
#26Height adjustable bed with a lift chain assembly and components thereof
#27Engagement chain
#28Retractable column and method of forming
#29Engagement chain type driving device
#30Engagement chain
#31Hoisting and lowering driving engagement multi-row chain
#32Hoisting and lowering driving engagement multi-row chain
#33ROLLER CHAIN AND SPROCKET SYSTEM
#34Hoisting and lowering device having engagement chains
#35Engagement chain type hoisting and lowering device
#36Compression-Resistant Drive Chain for an Actuating Device
#37Retractable column and method of forming
#38Lifter device
#39Telescoping mast having variable height locking and a chain erection mechanism with a cable management system
#40Actuator