Handling: hand and hoist-line implements – Hoist-line slings – Net
Reexamination Certificate
2007-08-07
2007-08-07
Mackey, Patrick (Department: 3652)
Handling: hand and hoist-line implements
Hoist-line slings
Net
C182S142000
Reexamination Certificate
active
10839104
ABSTRACT:
A personnel transfer device is rrovided including a base, a top and a concentric lacings extending between the base and top. An expander post is coupled between the base and top for placing tension in the lacings extending between the base and the top. A hoist connection is provided so that the personnel transfer device may be lifted to transfer personnel therein from one place to another. The lacings are flexible when relaxed, and become taught when placed in tension. The expander post is removable so the base and top can be collapsed together for compact storage.
REFERENCES:
patent: 19618 (1858-03-01), Burling
patent: 2827325 (1958-03-01), Pugh
patent: 3827745 (1974-08-01), Pugh
patent: 5074382 (1991-12-01), Do
patent: 5549342 (1996-08-01), Donaldson et al.
Liberato Frank
Liberato Paul
Chin Paul T.
Haynes and Boone LLP
Mackey Patrick
Pugh Acquisition Co.
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