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US 2003/0140576 A1Published application
Hook facility for concrete structure
AssigneeBowco Industries Inc.
InventorJeff Sanftleben
Life of this patent
Estimating the term…
Abstract
A lifting facility for encapsulation in a concrete wall includes a bowl element forming a cavity and having a rim occupying a rim plane. The bowl element has a side wall defining an elongated aperture, which includes a pair of spaced-apart openings connected by a slit. An articulated bar having a constant cross section has a loop portion within the cavity, and intermediate portions occupying the openings.
Claims20
A lifting facility for encapsulation in a concrete wall comprising:
- a bowl element defining a cavity and having a rim occupying a rim plane;
- the bowl element having a side wall defining an elongated aperture;
- and
- the aperture comprising a pair of spaced-apart openings connected by a slit.
1 more element
A lifting facility for encapsulation in a concrete wall comprising:
- a bowl element defining a cavity and having a rim occupying a rim plane;
- the bowl element having a side wall defining an elongated aperture;
- the aperture comprising a pair of spaced-apart openings connected by a slit;
- a unitary elongated articulated member having a constant cross section and having a loop portion within the cavity;
- and
- the articulated member having intermediate portions occupying the openings.
3 more elements
Dependencies are inferred from the claim text.