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Class 187/231 - Having structure allowing propulsion or steering by walking attendant


Subclass of Class 187 - Elevator, industrial lift truck, or stationary lift for vehicle
Definition: Mobile wheeled or tracked apparatus having hand engaged
No. of patents: 44
Last issue date: 01/12/2010


1    
NumberTitleIssue Date
7644806Low lift truck
Low lift truck, with a load part, which has a load carrying means and is coupled with a drive part via a lift cylinder arrangement and a bar linkage for load wheels of the load carrying means, a steered drive wheel, which forms with a drive motor a drive unit, which...
01/12/2010
7325655Steering arm for a walking/rider pallet truck
A steering arm for a walking/rider pallet truck, the truck having a housing with an upper side and the steering arm having a steering rod which is linked to the upper side of the housing with one end, and carries a steering head at the other end. The steering head i...
02/05/2008
7314116Walkie/rider truck
A walkie/rider truck which has a platform at the rear of the truck body and a holding bar to be grasped by one hand of the operator standing on the platform. A switch box is attached to the holding bar and houses at least one key switch in order to switch the drivin...
01/01/2008
7270201Trailer moving vehicle
A vehicle for moving trailers that are not coupled to their usual towing vehicle in which steering is conducted by an operator walking next to the vehicle and moving separate ones of a pair of levers for a pair of hydraulically driven wheels that control speed and d...
09/18/2007
7237645Steering arm for a walkie/rider truck
A steering arm for a walkie/rider truck which has a truck body, a driving motor and load bearing means, a platform for the operator and a steering rod. Button portions extend adjacent both lateral surfaces of the horn of a steering above the grip portions and extend...
07/03/2007
7185742Drive axle with integrated electric motor for a hydraulic pump
The invention relates to a drive axle (A) for a self-propelled work machine, in particular an industrial truck, in which two traction motors (EF1, EF2) spaced apart from each other and an electric motor (E1) arranged axially in between them and ...
03/06/2007
7140466Platform lift apparatus with integrated ladder for accessing attic storage space
A platform lift system includes a mounting frame that is fixedly engaged into a scuttle hole formed in a horizontal supporting surface (i.e., attic floor or room ceiling) and a foldable ladder that is supported by the frame. A separate trolley carries a lift platfor...
11/28/2006
7128188Elevating truck platform, in particular fork elevating truck platforms
A lifting truck such as a forklift truck which can be provided with a supply container which is especially easy to build. To this end, space is made on a carrier between a lifting device for the lifting platform of the forklift truck, a pump and two U-shaped guards....
10/31/2006
7121384Truck mast
A two- or multi-stage mast-hydraulic cylinder construction (4, 5) for a truck mast, and method for manufacturing the intergrated structer (4, 5), are discloused. The fixed mast assembly has its substantially vertical beams (4, 5) and its cylinde...
10/17/2006
7063338Truck with support legs
Narrow aisle truck that on each side includes two forward extending support legs, which each leg is provided with two support wheels. The two outer support wheels are displaced somewhat to the rear in relation to the inner support wheels, and, in the corner space ou...
06/20/2006
7051832Material handling vehicle with dual control handles
A material handling vehicle includes first and second control handles positioned at opposing ends of an operator compartment. The first control handle is positioned adjacent the forks for driving the vehicle in a fore or forks first direction, and the second control...
05/30/2006
6929443Lifting and telescoping dolly
A lifting and telescoping dolly for facilitating the moving of bulky objects into and out of attics by one operator acting alone. The collapsible dolly opens into a self-supporting A-frame with four support points. It has wheels and a brake system for positioning th...
08/16/2005
6921095Hand trolley with winch operated lifting carriage
A hand trolley includes a chassis formed from side frames comprising parallel frame members, wheels and a base platform provided with a load lifting carriage having a lifting surface. The carriage can be raised from a low position on the base platform to an elevated...
07/26/2005
6766882Low lifting floor conveyor truck
Low-lifting floor conveyor truck, in which in a driving unit a driving wheel as well as a driving motor for the driving wheel are mounted and a steering appliance for the driving wheel, which is rotatable around a vertical axis, and at least one lifting cylinder are...
07/27/2004
6382359Hand/co-traveller lift truck with a holding bar
A hand/co-traveller lift truck with a steering column, with a standing platform as a standing space for a co-travelling person and with a holding bar which extends essentially transversely to the longitudinal direction of the lift truck and which is arran...
05/07/2002
6343674Multi-terrain vertical lift transporter
A multi-terrain vertical lift transporter for lifting and transporting loads over various soil conditions and terrain. The lift transporter has a laterally adjustable wheel base to allow it to accommodate loads of varying widths. Further, the lift transpo...
02/05/2002
6241047Personnel carrying vehicle
A personnel carrying vehicle comprises a self propelled, steerable body, a telescoping mast attached to and extending upwardly from the body, and a personnel compartment attached to the mast. Two control handles are mounted within the personnel compartmen...
06/05/2001
6199665Straddle arm for fork lift truck
Each straddle arm of a lift truck is formed from a cylindrical section of steel pipe or tubing which is continuous in its circumference, to evenly distribute the torque which is transferred from a forwardly extending portion of the straddle arm to a mast ...
03/13/2001
6125971Forklift truck
A forklift truck which includes a chassis (10) and a housing (12). Two parallel spaced wheel arms are attached to the chassis. The housing includes a battery-operated driving motor as well as a hydraulic lift. A pole (16) including control means for the c...
10/03/2000
6035972Lift table
A portable lift table is described having a wheeled frame, a table with a workpiece support surface, and elevating means for selectively raising and lowering the table. The workpiece support surface may be positioned at two different heights relative to t...
03/14/2000
6021869Lift truck
A lift truck, especially for use in air cargo handling, includes a drive part having at least one driving wheel and a load part guided at the drive part and having at least one roller. Two lifting devices are operable in sequence. The lifting devices each...
02/08/2000
5992572Personnel carrying vehicle
A personnel carrying vehicle comprising a self propelled, steerable body, a telescoping mast attached to and extending upwardly from said body, and a personnel compartment attached to the mast and provided with a rail member that extends from the mast and...
11/30/1999
5938710Selectively operable industrial truck
An industrial truck, in particular a counterbalanced front-forklift truck, is provided which can be operated both manually and automatically and has a fork to handle pallets and loads located thereon. The forklift truck is equipped for automatic operation...
08/17/1999
5918703Low-lifting industrial truck
A low-lifting industrial truck with a driving unit having two wheels and two jibs protruding from a front thereof. The jibs are attached to a vertical frame (5), which is vertically movable in relation to the driving unit by means of a hydraulic cylinder ...
07/06/1999
5871069Combination motorized and manual drive for lifts
A power option is provided for a manually-operated material lift that employs a telescoping mast system which is extended or retracted by a winch. In one embodiment a reversible electric motor is connected to the winch via two-way reduction gearing that r...
02/16/1999
5862885Combination motorized and manual drive for lifts
A power option is provided for a manually-operated material lift that employs a telescoping mast system which is extended or retracted by a winch. A reversible electric motor is connected to the winch via two-way reduction gearing that remains in the driv...
01/26/1999
5848668Portable lifting system for easy movement of moderately heavy items
A method, device and system are provided that is a portable lifting system for easy movement of moderately heavy items, including a base member, a vertical support member connected to the base member and a load member slideably connected along the vertica...
12/15/1998
5820330Apparatus for the reception and transport of reels of packaging material
A transport appliance (10) to be actuated manually serves for handling large-volume reels (11) of packaging material. This transport appliance (10) is equipped with a lifting mechanism (23) which in each case grasps a reel (11) with vertical positioning, ...
10/13/1998
5752584Auxiliary lifting forks for double-length pallet trucks
An improved pallet truck, having an extended length pair of forks capable of supporting multiple, side-by-side, pallets which may be raised well above the floor to assist an operator in an order selection operation, includes a first fork lifting mechanism...
05/19/1998
5740887Drive system for vertical mast personnel lift
A drive system for a vertical mast personnel lift uses a pair of rear wheels that are fixed in an axial direction of a base portion of the personnel lift. When an operator input to make a turn is received, DC motors respectively connected to the right and...
04/21/1998
5722511Lifting vehicle and method of operating the vehicle
A forklift is supported for movement by a pair of elongated wheeled members. The wheeled members are shiftable towards and away from one another to permit the handling of different types of loads. Each of the wheeled members has a rear wheel in the form o...
03/03/1998
5649608Load transport lifter
A load transport lifter having the following characteristics: a lift platform with a moveable base frame connected to a cylinder mechanism and struts; upper sprockets are attached to the end of the piston rod of the cylinder mechanism and lower sprockets ...
07/22/1997
5174415Walk behind fork lift truck
A fork lift truck takes less storage space when its support wheels are raised from operative position to storage position parallel with the mast of the truck. To further minimize the space taken up by the stored truck, the rotation of the wheels upward to...
12/29/1992
4921385Truck with a hand-operatable bed
This invention relates to a truck with a hand-operatable bed provided with wheels for use in moving, a hydraulic cylinder for lifting or lowering the bed, and a plunger pump for feeding oil into the hydraulic cylinder by pulling a pumping handle, which is...
05/01/1990
4854422Hand-operated lift truck
A hand-operated lift truck includes a pump unit adapted to operate a hydraulic cylinder which in turn serves to move a fork up and down above a chassis. The pump unit is positioned right above one of a pair of rear wheels of the lift truck and includes a ...
08/08/1989
4632627Loader, transport and worktable cart
A loader, transport and worktable cart having a base supported by front and rear wheels. An upright column supported by the base and in turn supporting a platform for up and down movement of the platform upon operation of a winch. A stop pivotally support...
12/30/1986
4571139Self-propelled freight handling truck
A system in which a self-propelled fork lift truck that is collapsible to a compact structure for storage is made transportable on a highway freight handling truck, by lifting itself into an enclosed bay of the highway truck, or onto a platform attached t...
02/18/1986
4502568Fork-lift truck with synchronized variable travelling and lifting surfaces
The fork-lift truck comprises two elements independent of each other, each element comprising a vertical mast integral with a horizontal side frame provided with wheels and integral with two parallel cross pieces disposed at different heights, the paralle...
03/05/1985
4458785Lift
A multistage portable lift has an arm projecting rearwardly from one of the movable lift stages and a reeving system including a cable transferring a downward counterbalancing force to the arm from a load at the front of the lift. In the preferred embodim...
07/10/1984
4458786Fork-lift truck with synchronized variable travelling and lifting surfaces
The fork-lift truck comprises two elements independent of each other, each element comprising a vertical mast integral with a horizontal side frame provided with wheels and integral with two parallel cross pieces disposed at different heights, the paralle...
07/10/1984
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