Unguyed telescoping tower

Details Unguyed telescoping tower Unguyed telescoping tower

2009-04-03

2011-11-01

Glessner, Brian (Department: 3633)

Static structures (e.g., buildings)

Shaft or openwork, axially extensible

C052S123100, C052S651010, C052S651070

Reexamination Certificate

active

08046970

ABSTRACT:
A telescoping tower comprises a plurality of telescoping tower sections, each tower section having a pressure member that engages with a respective pressure member on a respective tower section when the tower sections are moved from a nesting condition to an extended position, the engagement of the pressure members occurring at the overlap of the tower sections to increase stability of the telescoping tower and reduce unwanted play at the overlap regions.

REFERENCES:
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patent: 4478014 (1984-10-01), Poock et al.
patent: 4590720 (1986-05-01), Reed
patent: 5537125 (1996-07-01), Harrell, Jr. et al.
patent: 6883643 (2005-04-01), Robillard
patent: 7231741 (2007-06-01), Norwood
patent: 7574832 (2009-08-01), Lieberman

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