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US 11,332,347 B2Granted
Variable length tackle sling
AssigneeRichardson Capax, LLC
InventorChristopher L. Richardson
Life of this patent
Estimating the term…
Abstract
Apparatus for adjusting the length of a support sling includes a set of pulleys and may be useful, for example, to allow a moving device to keep an object level when being transported.
Claims16
Apparatus for adjusting the length of a support sling, the apparatus comprising:
- a guide wheel spindle;
- at least one guide wheel on said guide wheel spindle;
- a storage spool having at least one storage spool arrest aperture;
- at least one spindle coupler having at least one coupler arrest aperture;
- an arresting device insertable into at least one said storage spool arrest aperture and at least one said coupler arrest aperture;
- at least one coupler projection connected to said at least one spindle coupler;
- and
- a coupler connected to said at least one coupler projection,
- wherein said storage spool may be rotated to align said coupler arrest aperture and said storage spool arrest aperture, further wherein said storage spool is prevented from rotating when said arresting device is inserted into said at least one storage spool arrest aperture and said at least one coupler arrest aperture.
6 more elements
A system for providing a variable length sling, the system comprising:
- a crane end connector capable of coupling to a sling or lifting mechanism;
- a crane end pulley coupled to said crane end connector;
- a load end connector capable of coupling to a sling or an object to transport;
- a load end pulley connected to said load end connector;
- a rope in contact with said crane end pulley and said load end pulley;
- and
- a rope length control mechanism coupled to said crane end pulley or said load end pulley,
- wherein said crane end pulley includes a crane end storage spool coupled to said rope, a crane end guide wheel spindle, at least one crane end guide wheel circumscribing said crane end guide wheel spindle, a crane end spindle connector capable of coupling said crane end storage spool to said crane end guide wheel spindle, and a crane end connecter coupler capable of coupling said crane end spindle connector to a movement device or additional sling.
5 more elements
Dependencies are inferred from the claim text.