US PATENT SUBCLASS 472 / 112
.~ Having counterbalance means


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

Internet Version by PATENTEC © 1999      Terms of Use



472 /   HD   AMUSEMENT DEVICES

106  DF  SEESAW {9}
112.~ Having counterbalance means


DEFINITION

Classification: 472/112

Having counterbalance means:

(under subclass 106) Amusement device wherein the seesaw includes a means to balance the ends of the elongated member upon its fulcrum point so that persons of varying weights may ride upon the ends of the elongated member.

(1) Note. Several examples of the types of means for balancing a seesaw may be a weight means which is mounted to and shiftable along the length of the seesaw so as to change the length of the lever arm, a plurality of weight elements which may be added to or removed from one or more points along the length of the seesaw, a seat means which is mounted to and shiftable along the length of the seesaw so as to change the length of the lever arm, or the fulcrum point of the seesaw may be shiftable along the length of the seesaw so as to change the length of the lever arm.