US PATENT SUBCLASS 49 / 150
.~ Common counterbalance for sliding and swinging movements


Current as of: June, 1999
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49 /   HD   MOVABLE OR REMOVABLE CLOSURES

149  DF  MOUNTED FOR OPTIONAL MOVEMENTS {12}
150.~ Common counterbalance for sliding and swinging movements {1}
151  DF  .~.~> Cable guide changes direction of counterbalancing force


DEFINITION

Classification: 49/150

(under subclass 149) Device wherein the optional movements include a sliding, i.e., guided rectilinear and swinging, i.e., turning about a fixed pivot and comprising a means to compensate for the weight of the closure to hold it in an adjusted position during either movements, as by connection to the closure above the horizontal pivots on which it swings.

SEE OR SEARCH THIS CLASS, SUBCLASS:

445+, for a counterbalance for a reciprocating closure and see the search notes thereto for the loci of other counterbalances.