Implements or apparatus for applying pushing or pulling force – Device or member for contacting and guiding moving cable – Including rotatable – cable contacting – pulley wheel element
Patent
1977-07-20
1978-10-31
Sheridan, Robert G.
Implements or apparatus for applying pushing or pulling force
Device or member for contacting and guiding moving cable
Including rotatable, cable contacting, pulley wheel element
214 1D, 214 77R, 254 3R, B60P 134
Patent
active
041229584
ABSTRACT:
A grand piano hand truck comprising an elongated piano-receiving frame pivotally supportable on an A-frame jacking carriage is disclosed. A transport base positioned adjacent the carriage receives the piano and elongated frame so that the piano is supported on its side during transit.
REFERENCES:
patent: 395371 (1889-01-01), Weser
patent: 1584250 (1926-05-01), Stephenson et al
patent: 1887134 (1932-11-01), Johancen et al
patent: 2176551 (1939-10-01), Solem
patent: 3191786 (1965-06-01), Langrell
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