US PATENT SUBCLASS 74 / 606 R
.~ Gear casings


Current as of: June, 1999
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74 /   HD   MACHINE ELEMENT OR MECHANISM

*  DD  ELEMENTS {10}
606 R.~ Gear casings {2}
607  DF  .~.~> Axle and torque tubes
606 A  DF  .~.~> Cooling

Unofficial Alpha Subclasses: R A

DEFINITION

Classification: 74/606

(under the class definition) Elements for inclosing and supporting gearing in assembled relationship.

(1) Note. This subclass and the ones hereunder are limited to the casing structure, per se. If the novelty resides completely or partially in the inclosed gearing, classification is with the particular type of gearing. If the

casing is intended for use with a particular element or apparatus, classification is with the element or the apparatus, respectively.

(2) Note. See Index to Classification of Patents under "Casings".

SEE OR SEARCH THIS CLASS, SUBCLASS:

612+, for casing structure movable with respect to its inclosed elements.

SEE OR SEARCH CLASS 83, Cutting,

440.2, 544+, 814, and 860, for guards for cutting machines.

92, Expansible Chamber Devices,

147+, for a plurality of unitarily mounted cylinders combined with a casing or support for a rotary shaft, subclass 161 for a support or frame for an expansible chamber device, and subclass 261 for a crankshaft housing (e.g., crankcase), per se. For a statement of the line between Class 74 and Class 92, see section III of this class definition of Class 92 under SEARCH CLASS 74.

144, Woodworking,

251.1+, for a cutter guard for a tool of that Class.

464, Rotary Shafts, Gudgeons, Housings, and flexible couplings for Rotary Shafts,

170+, for a housing for a rotary shaft.