Railway rolling stock – Special car bodies – Sleeping
Patent
1977-04-27
1978-08-22
Blix, Trygve M.
Railway rolling stock
Special car bodies
Sleeping
105480, 105483, 403165, A63C 1506
Patent
active
041078063
ABSTRACT:
This invention relates to an anchoring device to be contained within and cemented into a cavity formed in a surfboard, this device comprising a housing having a recessed and an axially rotatable post, the post having an exposed end which is adapted for the attachment of an anchoring cord. Preferably, rolling element bearings are provided in order to ensure free rotation of the post.
REFERENCES:
patent: 2633375 (1953-03-01), Wilcoxon
patent: 2843060 (1958-07-01), Sladek
patent: 3233319 (1966-02-01), Jensen et al.
patent: 3802011 (1974-04-01), Castagnola
Leeke Wallace Richard
Newland Robert Andrew
Blix Trygve M.
Goldstein Stuart M.
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