Clutch having limited articulation
AssigneeIllinois Tool Works Inc.
InventorIan Ross Ferrier
Life of this patent
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Abstract
A clutch for lifting a concrete component, including a toroidal connector, a latch in the form of a locking ring movable relative to the toroidal connector between a disengaged condition and an engaged condition, the locking ring having a handle extending radially outwardly from the toroidal connector, and a coupler for coupling the toroidal connector to a lifting apparatus, wherein the coupler includes a first part and a second part pivotal relative to the first part, the coupler being arranged to limit pivotal movement of the second part relative to the first part.
Claims16
A clutch for lifting a concrete component, the clutch comprising:
- a toroidal connector;
- a latch including a locking ring movable relative to the toroidal connector from a disengaged condition to an engaged condition, the locking ring including a handle extending radially outwardly from the toroidal connector;
- and
- a coupler configured to couple the toroidal connector to a lifting apparatus, wherein the coupler includes a first part, a second part pivotal relative to the first part, a pivotal coupling including a first hinge at one side of the coupler and a second hinge at an opposite side of the coupler that connect the first part to the second part, and a bush between the first hinge and the second hinge, the coupler configured to provide limited pivotal movement of the second part relative to the first part.
Dependencies are inferred from the claim text.