US PATENT SUBCLASS 187 / 343
HAVING MEANS CUSHIONING CONTACT OF LOAD SUPPORT WITH TERMINUS OF SHAFT

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

Internet Version by PATENTEC © 1999      Terms of Use


187 /   HD   ELEVATOR, INDUSTRIAL LIFT TRUCK, OR STATIONARY LIFT FOR VEHICLE

343HAVING MEANS CUSHIONING CONTACT OF LOAD SUPPORT WITH TERMINUS OF SHAFT {1}
344  DF  .~> Fluid resistance or shock absorber-type means

DEFINITION

Classification: 187/343

HAVING MEANS CUSHIONING CONTACT OF LOAD SUPPORT WITH TERMINUS OF SHAFT:

(under the class definition) Subject matter having means which (1) is located either (a) near the top or bottom of the shaft* of the elevator or (b) on the upper or lower portion of the load-underlying support surface and (2) coacts respectively with the upper or lower portion of the support surface or the top or bottom of the shaft when the load-underlying support surface comes close to an end of the shaft* to soften the force of impact of the support surface therewith.

(1) Note. An impact softening means proper for this and the indented subclasses is capable of retarding the movement of the load-underlying support surface only adjacent to the ends of a shaft* and not at different points along the shaft*.

SEE OR SEARCH CLASS

188, Brakes,

266+, for an internal-resistance retarder, per se.