US PATENT SUBCLASS 188 / 221.1
.~.~.~.~.~ Yieldably readjustable

Current as of: June, 1999
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188 /   HD   BRAKES

*  DD  ELEMENTS {6}
219.1  DF  .~ Beams or beam assemblies {6}
219.6  DF  .~.~ With movable, reversible or adjustable heads {1}
220.1  DF  .~.~.~ Pivoted head {1}
220.6  DF  .~.~.~.~ Lockingly adjustable {1}
221.1.~.~.~.~.~ Yieldably readjustable

DEFINITION

Classification: 188/221.1

(under subclass 220.6) Devices in which the fastening means yieldingly holds the head with respect to the beam, and allows for automatic readjustment of the position of the head when the brakes are applied.

(1) Note. Devices which provide for automatic readjustment of the head combined with means for manually locking the head in the readjusted position are found in this subclass.