| 摘要 |
527,466. Bearings and pivots. WILMOTBREEDEN, Ltd., and TURNER, R. P. April 13, 1939, No. 11179. [Classes 44 and 65 (ii)] Slackness between a spindle a of a door latch &c. and its bearing b is prevented by one or more wavy springs c in a groove or grooves d in the spindle or bearing. |
