Adjustable end pin for string bass or cello

Details Adjustable end pin for string bass or cello Adjustable end pin for string bass or cello

1976-04-19

1977-07-26

Tomsky, Stephen J.

Music

Instruments

Stringed

84327, G10D 102, G10D 300

Patent

active

040375056

ABSTRACT:
An adjustable end pin for a string bass or cello. The end pin extends through a hub having a cavity containing a jam plate with a central hole through which the pin extends. The jam plate is normally biased by a spring to an angular position relative the pin to jam or lock the pin to the hub. However, upon pushing the collar to exert lever action on the jam plate to move it towards a right angular position, it will unlock the pin and allow incremental pulling out thereof from the hub to provide incremental adjustment of the height of the instrument from the floor.

REFERENCES:
patent: 2974556 (1961-03-01), Fawick

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