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US 5,622,237 AGranted
Portable hoist system
AssigneeRollgliss AG
InventorSteffen Moldow
Life of this patent
Estimating the term…
Abstract
A portable hoist system suitable for mounting to a pair of rails includes a vertical support, an inclined boom connected to the vertical support and a hoist secured to the boom. Clamping members are provided at the lower ends of the vertical support and the boom for detachably mounting to the rails. The hoist system is preferably foldable for transport or storage purposes.
Claims20
A portable hoist system for mounting to first and second rails, comprising:
- a vertical support having a lower end and an upper end, a first clamping member disposed at the lower end, said first clamping member being detachably mountable to a first rail;
- a boom connected to said vertical support, said boom having a lower end and an upper end, a second clamping member disposed at the lower end of said boom, said second clamping member being detachably mountable to a second rail, said boom extending upward from said second clamping member at an acute angle relative to the horizontal and approximately perpendicularly relative to the direction of the first and second rails;
- and
- a hoist fastened to said boom.
1 more element
A portable hoist system for mounting to first and second rails, comprising:
- a vertical support having a lower end and an upper end, a first clamping member disposed at the lower end, said first clamping member being detachably mountable to a first rail;
- first and second inclined stabilizing members extending downward at an acute angle from opposed sides of said vertical support, said first and second inclined stabilizing members and said vertical support being positioned substantially in a common plane;
- a horizontal stabilizer connected to the lower ends of said vertical support and said first and second inclined stabilizing members;
- a boom connected to said vertical support, said boom having a lower end and an upper end, a second clamping member disposed at the lower end of said boom, said second clamping member being detachably mountable to a second rail, said boom extending upward from said second clamping member at an acute angle relative to the horizontal and approximately perpendicularly relative to the direction of the first and second rails;
- a tensioning member extending between the upper end of said vertical support and said second clamping member, and between the upper end of said vertical support and the upper end of said boom;
- and
- a hoist provided on said boom.
4 more elements
A portable hoist system for mounting to first and second rails, comprising:
- a vertical support;
- a boom connected to said vertical support and extending upward at an acute angle relative to the horizontal and approximately perpendicularly relative to the direction of the first and second rails;
- clamping means for detachably mounting said vertical support and said boom to the first and second rails, respectively;
- and
- a hoist fastened to said boom.
2 more elements
Dependencies are inferred from the claim text.