Operators Piano Company
Coin Accumulator Mechanisms

(Photograph courtesy of Dana Johnson)

In the early Coinola accumulator, which is similar to an early Cremona mechanism, the weight of the coin trips the long lever and turns the counting wheel.

(Photograph courtesy of Dana Johnson)

The late Coinola accumulator has a spring-loaded ratchet wheel, similar to the concept used in Nelson-Wiggen, late Marquette and Wurlitzer pianos.

(Drawing from a Coinola Instruction and Parts List Booklet.)

Factory drawing of the above pictured late style Coinola ratchet wheel type coin accumulator mechanism. This drawing was excerpted from a three-page booklet entitled Instructions and List of Parts (Coinola Styles D, C-2 and X).