Attachment members for a slingbar component of a lift system
AssigneeLiko Research & Development AB
InventorsAndrew Dole, Chris L Hildenbrand
Life of this patent
Estimating the term…
Abstract
A slingbar includes a sling attachment member. The sling attachment member includes a frame including a base having a top end and a bottom end, and a hook extending from the bottom end to a hook terminus. The hook terminus and the top end of the base define an opening. The hook, base, and opening bound an interior of the attachment member. A closure element includes an outboard gate hinged to the hook terminus and an inboard gate hinged to the base. The gates have a default state in which each gate extends laterally only part way across the opening.
Claims18
A slingbar, comprising:
- a sling attachment member comprising:
- a frame comprising a base having a top end and a bottom end, and a hook extending from the bottom end to a hook terminus, the hook terminus and the top end of the base defining an opening, and the hook, the base, and the opening bounding an interior of the sling attachment member, and
- a closure element comprising an outboard gate hinged to the hook terminus and an inboard gate hinged to the base, the outboard gate and the inboard gate each having a default state in which each gate extends laterally only part way across the opening, wherein one of the inboard gate and the outboard gate is an inwardly rotatable gate and the other of the inboard gate and the outboard gate is an outwardly rotatable gate.
A sling attachment member for a slingbar, the sling attachment member comprising:
- a frame comprising a base having a top end and a bottom end, and a hook extending from the bottom end to a hook terminus, the hook terminus and the top end of the base defining an opening, and the hook, the base, and the opening bounding an interior of the sling attachment member;
- and
- a closure element comprising an outboard gate hinged to the hook terminus and an inboard gate hinged to the base, the outboard gate and the inboard gate each having a default state in which each gate extends laterally only part way across the opening, wherein the inboard gate and the outboard gate contact each other in the default state.
A lift system, comprising:
- a hoist comprising a carriage from which an extendable and retractable tether extends;
- and
- a slingbar coupled to the tether, the slingbar comprising:
- a sling attachment member comprising:
- a frame comprising a base having a top end and a bottom end, and a hook extending from the bottom end to a hook terminus, the hook terminus and the top end of the base defining an opening, and the hook, the base, and the opening bounding an interior of the sling attachment member, and
- a closure element comprising an outboard gate hinged to the hook terminus and an inboard gate hinged to the base, the outboard gate and the inboard gate each having a default state in which each gate extends laterally only part way across the opening, wherein one of the inboard gate and the outboard gate is an inwardly rotatable gate and the other of the inboard gate and the outboard gate is an outwardly rotatable gate.
Dependencies are inferred from the claim text.