US PATENT SUBCLASS 74 / 625
ALTERNATE MANUAL OR POWER OPERATORS

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


74 /   HD   MACHINE ELEMENT OR MECHANISM

625ALTERNATE MANUAL OR POWER OPERATORS

DEFINITION

Classification: 74/625

(under the class definition) Devices having provision for operation of a single driven device alternately by either manual or power means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

665+, for plural concurrent gearing drives.

SEE OR SEARCH CLASS

30, Cutlery,

203, for shears which may either be hand or power operated.

172, Earth Working, 485+, for an earth working implement adapted to be lifted for transport by a power actuator and/or a manual actuator.

251, Valves and Valve Actuation, particularly

14, and 130 for valve actuation involving alternate manual and power actuation.

318, Electricity: Motive Power Systems,

2, for combined controlled electric motors and manual operators for actuating one or more common load devices.

417, Pumps,

374, for pumps having both manual and motor drive means therefor.

475, Planetary Gear Transmission Systems or Components,

1+, for input from independent power sources to a planetary gear transmissions.