Matches 1 - 32 out of 32


Match Document Document Title
8851238 Lifting system  
Apparatus for raising and lowering objects. In accordance with some embodiments, a winch motor is adapted to rotate a winch member in opposing first and second directions to wrap/unwrap a portion...
8381879 Drive systems and cargo lift systems  
A drive system for use with a cable and a carrier for raising and lowering a payload includes a reel, a drive mechanism, a cable slack control mechanism, and a tension adjustment system. The drive...
8292039 Mast lift and mast lift system  
A lift system is coupled between a work platform and a mast on a mast lift. The lift system includes at least one lifting rope connected between the work platform and the mast via an idler roller...
7624845 Method and apparatus for adjusting the distance between the cars of a double-deck elevator  
A method and apparatus adjust the inter-car distance in a double-deck elevator provided with hoisting ropes, in which elevator the hoisting ropes move a car frame supporting the elevator cars...
7575098 Attic lift system and method  
A lift system and method for lifting or lowering items from one level to another within a building is accomplished by providing a lift platform. An upper level support structure having an opening...
7523587 Portable observation tower  
A portable structure from which hunters and wildlife observers can command elevated views of wildlife habitat. Commonly called a blind, it may also be constructed as a permanent or semi-permanent...
7222697 Elevator  
An elevator is described, comprising a first series connected pulley set installed in a fixing frame, a carriage located below the first series connected pulley set, a second series connected...
6805222 Method and apparatus for adjusting steering angle for elevator sheave  
A steering angle of an elevator sheave on a shaft is adjusted at installation and subsequently during maintenance by one of several embodiments. In one embodiment, a bolt with a jam nut is...
6758309 Assembly for supporting the end of a load bearing member in an elevator system  
A termination assembly for supporting and securing an end section of a belt in an elevator system includes a first support member that is fixed in a selected position within the elevator system. A...
6591945 Self propelled elevator  
A self-propelled elevator in which a drum type winding machine is attached to a cage, and the cage is elevated along guide rails arranged in a hoistway by a first winding rope, one end of which is...
6497380 Drum winding apparatus  
In a drum winding unit, a cylindrical drum winding a wire is supported by paired supports fixed to a base structure so the drum freely rotates about a central axis of the drum. A drive unit for...
6371247 Lift assembly  
A lift assembly includes first and second elevator structures, each including a first scissors section, a second scissors section pivotally connected to the first scissors section and supporting a...
6305499 Drum drive elevator using flat belt  
An elevator system (10) includes an elevator car (18) supported for vertical movement on a belt (16) having an end fixed to the hoistway (26) and the other end wound about a drum (32) of a drum...
6170613 Autonomous tilting platform unit  
The autonomous tilting platform unit is for infrastructure work over a 0-90° slanted surface. It has a platform assembly pivotally connected to a carriage assembly provided with wheels for...
6095284 Elevatable stands for physically challenged hunters  
An elevatable stand construction 10 for physically challenged hunters which includes a ladder style main framework member 20 supported in an upwardly angled disposition, a chair style platform...
5599268 Belt driven linear transport apparatus for packaging machine  
A linear drive apparatus for moving a canon in a packaging machine from a first position to a second position is set forth. The apparatus includes first and second spaced apart guide rods and an...
5595265 Portable vertical lift  
A portable apparatus for raising and lowering a load vertically along a substantially vertical structure. The apparatus comprises a vertical guide, which is secured to the substantially vertical...
5564528 Inward/outward delivery device of automated warehouse  
A force motivating a strut to incline itself in the running direction (front-and-rear direction) of a movable main body is produced by impact stress caused by accelerating, decelerating or...
5311970 Low-profile watercraft lift  
A heavy duty low-profile watercraft lift (10) for lifting small watercraft into and out of the water adjacent to a dock (12). The lift (10) comprises a single heavy-duty column (22) having a winch...
5228539 Article retrieval apparatus  
An apparatus arranged for positioning between a furniture component and a support wall includes a scoop structure mounted coextensively within a gap between the furniture and support wall is...
5131502 Hoisting apparatus for ships  
Hoisting apparatus, comprising a side loader, passenger or freight elevator for ships, having a cage which moves along a path at least partially curved. The hoisting apparatus include an elevator...
5100283 Hitch hoist  
A hoist is provided for lifting, positioning and holding a trailer hitch beneath the frame of a motor vehicle to facilitate installation of the hitch. A movable platform supports an upstanding...
5072810 Garbage storage system and method  
A garbage storage system for avoiding odors therefrom and for ease of moving a full garbage container to a street curb. This system includes an in-ground silo disposed outside the building and...
4739969 Lift sheave  
A lift sheave arrangement is disclosed which includes a static shaft and a sheave mounted for rotation about the static shaft. The sheave has a first portion for receiving a cable which is to be...
4412601 Elevator storage system  
An elevator storage unit, supporting or containing the articles to be stored, is normally disposed in an above-ceiling enclosure defined by a ceiling opening and overlying enclosure structure. The...
4180145 Stationary forklift and method of use  
A stationary frame for a forklift carriage having a simple electric hoist; supports a reciprocable hoist having extending forks. The carriage includes a carriage frame riding in upright rails...
4166517 Pilot's power elevator  
An elevator apparatus mounted on a side of a ship, for allowing a pilot to board or disembark from the ship; the apparatus including a vertical track, extending from the water up to the bridge, an...
3690409 LEVEL WINDING WINCH MECHANISM AND HEAVY-DUTY DRIVE THEREFOR  
A level winding winch mechanism for a suspending staging that includes a frame having an upper portion and a lower portion with a fairlead fixed on the upper portion and a rotatable winch...
3666054 LADDER DOLLY AND WINCH  
A hand truck mounted on wheels has a load carrying framework and an extendable handle for steering the hand truck to the base of a ladder. The rear side of the hand truck framework has flanged...
RE01990 Title is not available  
3276546 Knock down building material elevator  
3053344 Automatic control system for hoisting machine  

Matches 1 - 32 out of 32