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Class Information
Number: 187/226
Name: Elevator, industrial lift truck, or stationary lift for vehicle > Industrial lift truck or required component thereof (e.g., forklift) > Having extensible vertical guide for load support
Description: Mobile wheeled or tracked apparatus provided with rigid, vertically extending, elongated structure for limiting the load support surface to travel along its confined linear path, the structure having two elongated vertical sections attached to one another in a manner allowing one section to move vertically relative to the other section to lengthen or shorten the height of the elongated structure.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7407038 |
Lifting framework for an industrial truck |
Aug. 5, 2008 |
| 7398859 |
Mast construction for a lift truck |
Jul. 15, 2008 |
| 7281608 |
Loading/unloading device for shelving |
Oct. 16, 2007 |
| 7240771 |
Mast staging hydraulic circuit |
Jul. 10, 2007 |
| 7219770 |
Coordinated lift system with user selectable RF channels |
May. 22, 2007 |
| 7191872 |
Fork height adjustment mechanism |
Mar. 20, 2007 |
| 7175000 |
Lifting truck with displaceable masts and balancing cylinder |
Feb. 13, 2007 |
| 7134527 |
Forklift upright assembly |
Nov. 14, 2006 |
| 7128188 |
Elevating truck platform, in particular fork elevating truck platforms |
Oct. 31, 2006 |
| 7096999 |
Mast construction for a lift truck |
Aug. 29, 2006 |
| 6945745 |
Industrial truck with a device for moving a lifting frame |
Sep. 20, 2005 |
| 6932555 |
Multi-purpose load bearing assembly for all terrain vehicle (ATV) |
Aug. 23, 2005 |
| 6505710 |
Mast apparatus for fork lift trucks |
Jan. 14, 2003 |
| 6240353 |
Industrial vehicle |
May. 29, 2001 |
| 6193015 |
Structure to join cylinder lifting cargo-handling tool |
Feb. 27, 2001 |
| 6175796 |
Apparatus and method for restricting pivoting of industrial vehicles axles |
Jan. 16, 2001 |
| 6079935 |
Forklift truck |
Jun. 27, 2000 |
| 5984050 |
Carriage suspension for lift truck |
Nov. 16, 1999 |
| 5878844 |
Ball screw joint for an automated guided vehicle |
Mar. 9, 1999 |
| 5834942 |
Equipment for determining when synthetic fiber cables are ready to be replaced |
Nov. 10, 1998 |
| 5709241 |
Butterfly valve |
Jan. 20, 1998 |
| 5657834 |
Mast staging cushion apparatus |
Aug. 19, 1997 |
| 5645142 |
Wedge braking system for multi-stage lifts |
Jul. 8, 1997 |
| 5641261 |
Fork lift truck |
Jun. 24, 1997 |
| 5636713 |
Multiple RAM assembly and recuperative drive system for hydraulic lift |
Jun. 10, 1997 |
| 5586619 |
Lifting apparatus |
Dec. 24, 1996 |
| 5515945 |
Multi-stage mast assembly for portable lifts |
May. 14, 1996 |
| 5480275 |
Fork lift truck |
Jan. 2, 1996 |
| 5395201 |
Container and container carrier with piston-cylinder devices for lifting containers on to, off and along the carrier |
Mar. 7, 1995 |
| 5393190 |
Apparatus for lifting and tilting heavy containers |
Feb. 28, 1995 |
| 5374156 |
Carriage assembly and side shift system for a lift truck |
Dec. 20, 1994 |
| 5361872 |
Chain wheel mounting structure in forklift |
Nov. 8, 1994 |
| 5330032 |
Lift trucks and extensible mast structures therefor |
Jul. 19, 1994 |
| 5328321 |
Multi-stage mast for a forklift truck |
Jul. 12, 1994 |
| 5326217 |
Lift truck with negative drop upright |
Jul. 5, 1994 |
| 5238086 |
Control device for forklift |
Aug. 24, 1993 |
| 5165840 |
Clamp attachment for a lift truck |
Nov. 24, 1992 |
| 5046585 |
Upright assembly for fork lift truck |
Sep. 10, 1991 |
| 5022496 |
Slowdown during staging of a turret stockpicker |
Jun. 11, 1991 |
| 4896748 |
Full free lift mast assembly |
Jan. 30, 1990 |
| 4889038 |
Hydraulic cylinder |
Dec. 26, 1989 |
| 4875555 |
Patient lifting device |
Oct. 24, 1989 |
| 4869639 |
Method at vehicles having a lifting device for compensating departures in the position of loads on the lifting device relative to the frame of the vehicle |
Sep. 26, 1989 |
| 4782920 |
Load-lifting mast especially adapted for use with automatically-guided vehicles |
Nov. 8, 1988 |
| 4765441 |
Industrial truck, particularly high-lift truck, also as a high-lift truck having a displaceable mast |
Aug. 23, 1988 |
| 4762203 |
Lift truck lowering system |
Aug. 9, 1988 |
| 4709786 |
Industrial truck, particularly high-lift truck, also as a high-lift truck having a displaceable mast |
Dec. 1, 1987 |
| 4708577 |
Self-leveling fork lift apparatus |
Nov. 24, 1987 |
| 4657471 |
Load lifting unit for a lift truck |
Apr. 14, 1987 |
| 4655323 |
Locking device for extensible elevator sections |
Apr. 7, 1987 |
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