Music – Accessories – Leaf turners
Patent
1991-05-29
1993-08-10
Gellner, Michael L.
Music
Accessories
Leaf turners
248451, 24 6711, 24536, G10G 700
Patent
active
052339009
ABSTRACT:
A device which will effectively turn a page, for example a page of a booklet of music, enabling a musician to play "hands free", has a book carrier (13) on a frame (11) and a number of page turner subassemblies (16) each with a disc (17) rotatable on an axle (12), each disc (17) having a notch (18) in its periphery, and also having an arm (20) radiating outwardly from the disc (17) and having a clip (57) to engage the page at the swinging end of the arm (20), and a spring (23) which will urge the arm (20) in a pivotal movement of the disc (17) in a page-turning direction, and an escapement mechanism (30) which co-operates with the notches (18) in the discs (17) to inhibit pivotal movement until released by a remote actuated controller (32).
REFERENCES:
patent: 137797 (1873-04-01), Rosenfield
patent: 397241 (1889-02-01), Loughlin
patent: 1165431 (1915-02-01), Matthews
patent: 1252355 (1918-01-01), Marcellino
patent: 2250469 (1941-07-01), Crow
patent: 3065565 (1961-08-01), Goodman
patent: 4378102 (1983-03-01), Portis
patent: 5114110 (1992-05-01), Vohora
Callan Edward W.
Gellner Michael L.
Spyrou Cassandra C.
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