Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Superimposed three-dimensional units
Patent
1992-11-23
1995-04-18
Friedman, Carl D.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Superimposed three-dimensional units
52721, 52645, 52646, 403381, 403 43, E04H 1200, F16B 200
Patent
active
054067677
ABSTRACT:
A longitudinally divisible crane boom segment includes a plurality of sections that are easily transportable. The sections each include at least one chord member, and a plurality of partial lacing elements. Each partial lacing element has a first end permanently attached to the at least one chord member and a second end connectable to one or more corresponding ends of plurality of partial lacing elements attached to a chord member of another section. Preferably the partial lacing elements are connected by dovetail connectors.
REFERENCES:
patent: 409893 (1889-08-01), Wray
patent: 1167155 (1916-01-01), Derby
patent: 1233743 (1917-07-01), Arndt
patent: 1788145 (1931-01-01), Bates
patent: 2221067 (1940-11-01), Wilson
patent: 3029913 (1962-04-01), Liesenfeld
patent: 3249238 (1966-05-01), Hedeen
patent: 3796018 (1974-03-01), Holmstrom
patent: 3877192 (1975-04-01), Metailler
patent: 4019298 (1977-04-01), Johnson
patent: 4253579 (1981-03-01), Williams
patent: 4407600 (1983-10-01), Thompson
patent: 4506487 (1985-03-01), Hill
patent: 5244300 (1993-09-01), Perreira et al.
Mannesmann Demag product literature for a Model CC4800 crawler crane (date unknown).
Mannesmann Demag product literature for a Model CC8000 crawler crane (date unknown).
Mannesmann Demag product literature for a Model CC12000 crawler crane (date unknown).
Neil F. Lampson, Inc. product literature for a Transi-Lift crane (date unknown).
Three (3) photographs of chord and lacing connections for a Neil F. Lampson, Inc. Transi-Lift crane (Apr. 1992).
Manitowoc Ringer Concept brochure (1974).
Manitowoc product literature for a Model 4600 S-4 Ringer (1983).
Manitowoc brochure for a Model M1200R crane with a 750 metric ton rating (date unknown).
Manitowoc brochure for a Model M1200R crane with a 800 metric ton rating (date unknown).
Manitowoc brochure for a Model M1200R crane with a 1200 metric ton rating (date unknown).
European Search Report and Annex thereto listing and commenting on the above-listed reference (date: Apr. 25, 1994).
Pech David J.
Walker Robert J.
Wanek Michael J.
Friedman Carl D.
The Manitowoc Company Inc.
Wood Wynn
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