| Patents for B66B 19 - Mining-hoist operation (858) |
|---|
| 01/26/1994 | CN2154248Y Ration counter for mine hoist |
| 11/25/1993 | WO1993023323A1 Guide rail deviation measurement device |
| 11/10/1993 | CN2145780Y Displacing and mounting apparatus for hopper of bucket elevator |
| 07/27/1993 | US5230404 Erection scaffolding which is movable in an elevator shaft for the mounting of shaft equipment |
| 06/01/1993 | US5214947 Procedure and apparatus for checking the straightness of elevator guide rails and straightening deflections |
| 09/29/1992 | US5151562 System for adjusting horizontal deviations of an elevator car during vertical travel |
| 09/16/1992 | CN2116000U Ringing numbers indicator for hoisting machinery |
| 09/02/1992 | EP0501140A1 Erecting scaffold moveable along an elevator shaft for erecting shaft equipment |
| 09/02/1992 | CA2060812A1 Erection scaffolding which is movable in a lift shaft for the mounting of shaft equipment |
| 08/12/1992 | EP0498051A2 Procedure for checking the straightness of elevator guide rails and straightening the rails, and an apparatus set for performing the procedure |
| 07/08/1992 | CN2109377U Frictional rope releasing device |
| 06/09/1992 | US5119908 Procedure for mounting the guide rails for an elevator car or counterweight, and a mounting system implementing the procedure |
| 04/22/1992 | EP0345322B1 Method for installing a lift or load elevator inside a building, assembly jigs used therefor, lift or load elevator thus obtained |
| 04/22/1992 | CN2102277U Two-direction communication signal device for construction lift |
| 01/15/1992 | EP0466667A2 Construction elevator assembly |
| 01/08/1992 | EP0464312A1 Method and apparatus for erecting hydraulic elevator rails |
| 01/08/1992 | CN1057623A Method and apparatus for erecting hydraulic elevator |
| 11/27/1991 | CN1056471A Elevator hoistway working platform |
| 11/21/1991 | EP0457152A2 Elevator hoistway working platform |
| 11/20/1991 | CN2088997U Electricity supply device of material safety circuit for explosion-proof lifter |
| 11/19/1991 | US5065843 Method for installing elevator system components |
| 09/18/1991 | CN2084923U Multifunctional combined signal device |
| 08/21/1991 | EP0442230A1 Assembly procedure of an elevator using a modular supporting column and the elevator thus obtained |
| 07/23/1991 | US5033586 Construction elevator assembly |
| 06/04/1991 | US5020641 Hoistway |
| 05/14/1991 | US5014822 Method for installing an elevator inside a building, and assembly jigs used therefor |
| 03/19/1991 | US5000292 Method of mounting a lift and lift obtained |
| 03/07/1991 | DE3940156C1 Rope clamp for mine windings - has cross bar with support rollers and clamps |
| 02/20/1991 | CN2071638U Lift signal controller for mining hoist |
| 01/30/1991 | CN2070290U Winder signal device |
| 01/29/1991 | CA1279466C Method for installing elevator doors |
| 01/10/1991 | DE3936845C1 Mine winder cable clamp unit - has two clamps each attached to power cylinder piston and provided with toothed rack |
| 01/09/1991 | CN2068957U Mine signal device provided wiht artificial intelligence guarding against errors |
| 11/14/1990 | EP0397064A1 Procedure for mounting the guide rails for an elevator car or counterweight, and a mounting system implementing the procedure |
| 08/16/1990 | EP0381852A1 Apparatus to join guide rails together |
| 06/27/1990 | EP0375208A1 Method of mounting a lift |
| 03/21/1990 | CN1040558A Automatic alarm of mine lift |
| 03/07/1990 | CN1007056B Moving apparatus for suspended cables of transporting equipment at shaft |
| 12/13/1989 | EP0345322A1 Method for installing a lift or load elevator inside a building, assembly jigs used therefor, lift or load elevator thus obtained |
| 11/08/1989 | CN2047261U Mine hoist auto-alarm device |
| 06/01/1989 | WO1989004807A1 Method for installing a lift or load elevator inside a building, assembly jigs used therefor, lift or load elevator thus obtained |
| 04/12/1989 | CN2035744U Magnetic detecting speed anto-reducing position switch |
| 04/11/1989 | US4819403 Method for installing elevator doors |
| 12/06/1988 | CA1245851A1 Shaft guide alignment measurement |
| 05/05/1988 | DE3348124C2 Clamping and pulling device for the alternative cyclic extraction of one of the strands of a winding installation |
| 01/21/1988 | DE3625108C1 Clamping head for a cable-end connection |
| 11/19/1987 | DE3608096A1 Apparatus for running slack rope in winding installations |
| 10/07/1987 | CN87102646A Moving apparatus for suspended cables of transporting equiment at the shaft |
| 08/13/1987 | DE3602902A1 Clamping device |
| 05/05/1987 | CA1221419A1 Cage door status indication |
| 12/09/1986 | US4627170 Shaft guide alignment measurement |
| 06/10/1986 | US4593794 Apparatus and method for installing elevator rails |
| 04/23/1986 | EP0178939A2 Alignment-measuring device for conveyance guides |
| 06/26/1984 | US4456908 Remote switch monitoring circuit for mining |
| 11/02/1982 | US4356890 Method for installing an elevator system |
| 08/24/1982 | US4345671 Apparatus and method for installing elevator guide rails |
| 11/04/1980 | US4231148 Elevator erection method |
| 10/29/1980 | EP0017997A1 Process for the accurately timed registration of pit signals |