Static structures (e.g. – buildings) – Mechanism operated relatively movable shaft assembly – Tilts relative to base
Patent
1978-02-07
1979-04-17
Faw, Jr., Price C.
Static structures (e.g., buildings)
Mechanism operated relatively movable shaft assembly
Tilts relative to base
52 32, F04H 1234
Patent
active
041493478
ABSTRACT:
A lowerable mast comprising first and second sections, the first section being anchorable at one end in an anchoring position, the second section being pivotally connected intermediate its ends to the first section by a pivotal interconnection with portion of its one end in overlapping relationship with at least portion of the first section in any of its pivotal positions, opposed inwardly directed faces of the overlapping regions of the first and second sections providing sliding co-operative faces for supporting the second section relative to the first section.
REFERENCES:
patent: 3355847 (1967-12-01), Pratt
Faw Jr. Price C.
Friedman Carl D.
Sectional Poles Africa (Proprietary) Limited
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