US PATENT SUBCLASS 186 / 10
.~.~.~ Spring

Current as of: June, 1999
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186 /   HD   MERCHANDISING

35  DF  CUSTOMER SERVICE {4}
52  DF  .~ Store service {16}
8  DF  .~.~ Single-impulse systems {4}
10.~.~.~ Spring {1}
11  DF  .~.~.~.~> Longitudinally moving line

DEFINITION

Classification: 186/10

The impelling means is a spring which is strained to the requisite point and then suddenly released to propel the car along the track.

SEE OR SEARCH CLASS

124, Mechanical Guns and Projectors,

7, and indented subclasses, and subclass 16 and indented subclasses, for spring straining and releasing mechanisms similar to those shown in this subclass.