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US 7,465,144 B1Granted
Adjustable winch and pulley system
OwnerRonald M. Studerinventor
Life of this patent
Estimating the term…
Abstract
Provided is a lifting system. The lifting system consists of pulleys mounted to moveable, perpendicular shafts that allow the pulleys to be adjustably positioned in horizontal plane. In this way the pulleys can be properly positioned to lift a variety of loads. The system may be powered either manually or by a motor. Further provided is a lifting system, comprising a track and a lifting carriage movable along said track, said lifting carriage including a pulley, a drive shaft for turning said pulley, a support shaft, and a slide assembly connecting said drive shaft to said support shaft, wherein said slide assembly is movable along said drive shaft and the support shaft.
Claims27
A lifting system, comprising:
- a track;
- and
- a lifting carriage movable along said track, said lifting carriage including:
- a pulley;
- a drive shaft for turning said pulley;
- a first support shaft;
- a second support shaft;
- a third support shaft;
- and
- a first slide assembly connecting said first support shaft to said second support shaft at a substantially right angle and which is positionable along said first support shaft and said second support shaft;
- a second slide assembly connecting said drive shaft to said first support shaft, wherein said drive shaft and said first support shaft extend through the slide assembly, and wherein said slide assembly is linearly movable along and relative to said drive shaft and the first support shaft;
- and
- a third slide assembly connecting said third support shaft to said drive shaft at a substantially right angle and which is positionable along said third support shaft and said drive shaft.
10 more elements
A lifting system, comprising:
- a drive shaft;
- a support shaft;
- a first spacing shaft;
- a second spacing shaft;
- a first slide assembly for connecting said support shaft to said first spacing shaft, wherein the first slide assembly is linearly positionable along and relative to said first spacing shaft;
- a second slide assembly for connecting said support shaft to said second spacing shaft, wherein the second slide assembly is linearly positionable along and relative to said second spacing shaft;
- a third slide assembly for connecting said drive shaft to said second spacing shaft, wherein the third slide assembly is linearly positionable along and relative to said second spacing shaft;
- a fourth slide assembly for connecting said drive shaft to said first spacing shaft, wherein the fourth slide assembly is linearly positionable along and relative to said first spacing shaft;
- a driven pulley linearly positionable along and relative to said drive shaft wherein said drive shaft causes said driven pulley to rotate;
- a support pulley linearly positionable along and relative to said support shaft;
- and
- a windable support which extends between said driven pulley and said support pulley.
9 more elements
A lifting system mounted on a vehicle, comprising:
- a first track movable from a stowed position to a deployed position on the vehicle;
- a second track movable from a stowed position to a deployed position on the vehicle;
- and
- a lifting carriage linearly movable on and relative to said first track and said second track, said lifting carriage including:
- a first support shaft;
- a second support shaft;
- a third support shaft;
- a first slide assembly connecting said first support shaft to said second support shaft at a substantially right angle, wherein said slide assembly is linearly movable along and relative to said first support shaft and said second support shaft;
- a second slide assembly connecting said drive shaft to said first support shaft, wherein said drive shaft and said first support shaft extend through the slide assembly, and wherein said slide assembly is linearly movable along and relative to said drive shaft and the first support shaft;
- and
- a third slide assembly connecting said third support shaft to said drive shaft at a substantially right angle and which is positionable along said third support shaft and said drive shaft.
8 more elements
A lifting system, comprising:
- a first track;
- a second track substantially parallel to the first track;
- and
- a lifting carriage including a plurality of wheels that roll on said tracks, wherein the lifting carriage is linearly movable relative to said tracks, said lifting carriage including:
- a first driven pulley;
- a second driven pulley;
- a drive shaft for turning said driven pulleys, wherein the drive shaft extends through said driven pulleys;
- a first support pulley;
- a second support pulley;
- a first support shaft;
- a second support shaft;
- a third support shaft;
- a first slide assembly connecting said first support shaft to said second support shaft at a substantially right angle, wherein said first support shaft and said second support shaft extend through the first slide assembly, and wherein said first slide assembly is linearly movable along and relative to said first support shaft and said second support shaft, and wherein the first slide assembly includes a first plurality of slide locks for preventing relative movement along said first support shaft and said second support shaft;
- a second slide assembly connecting said second support shaft to said third support shaft at a substantially right angle, wherein said second support shaft and said third support shaft extend through the second slide assembly, and wherein said second slide assembly is linearly movable along and relative to said second support shaft and said third support shaft, and wherein the second slide assembly includes a second plurality of slide locks for preventing relative movement along said second support shaft and said third support shaft;
- a third slide assembly connecting said third support shaft to said drive shaft at a substantially right angle, wherein said third support shaft and said drive shaft extend through the third slide assembly, and wherein said third slide assembly is linearly movable along and relative to said third support shaft and said drive shaft, and wherein the third slide assembly includes a third plurality of slide locks for preventing relative movement along said third support shaft and said drive shaft;
- a fourth slide assembly connecting said drive shaft to said first support shaft at a substantially right angle, wherein said drive shaft and said first support shaft extend through the fourth slide assembly, and wherein said fourth slide assembly is linearly movable along and relative to said drive shaft and the first support shaft, and wherein the fourth slide assembly includes a fourth plurality of slide locks for preventing relative movement along said drive shaft and said first support shaft;
- a motor for rotating the drive shaft;
- a first winching cable extending from the second driven pulley;
- and
- a second winching cable extending from the first driven pulley,
- wherein the first support pulley is connected to the first slide assembly, the second support pulley is connected to the second slide assembly, the first driven pulley is connected to the third slide assembly, and the second driven pulley is connected to the fourth slide assembly.
18 more elements
Dependencies are inferred from the claim text.