US PATENT SUBCLASS 123 / 58.2
.~.~ Locked pistons

Current as of: June, 1999
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123 /   HD   INTERNAL-COMBUSTION ENGINES

52.1  DF  MULTIPLE CYLINDER {7}
58.1  DF  .~ Cylinders in-line {10}
58.2.~.~ Locked pistons {1}
58.3  DF  .~.~.~> Two-stroke cycle

DEFINITION

Classification: 123/58.2

Locked pistons:

(under subclass 58.1) Multiple cylinder engine wherein the pistons of the first and second cylinders are immovably secured to each other.

SEE OR SEARCH CLASS

92, Expansible Chamber Devices,

150, and 151+ for coaxially disposed cylinders for an expansible chamber device.