公开(公告)号：US3716283A

公开(公告)日：1973-02-13

申请号：US3716283D

申请日：1971-06-18

Applicant: WEBER KNAPP CO

Inventor： LITTLE C

IPC: A47B88/00

CPC classification number: A47B88/944 ,  Y10S402/502

Abstract: A TWO PART PLSTIC FRONT CONSTRUCTION FOR LIBRARY CARD DRAWERS OR THE LIKE, WHEREIN A REAR HALF OF THE FRONT CARRIES A TRAY PULL OR HANDLE FOR PROJECTION FORWARDLY THROUGH AN OPENING IN A FORWARD HALF OF THE FRONT. THE FRONT IS MOUNTED ON AND FORCE APPLIED TO THE TRAY PULL TRANSFERRED TO THE CARD TRAY BODY BY METAL REINFORCING BRACKETS POSITIONED BETWEEN THE HALVES PRIOR TO ASSEMBLY THEREOF. THE HALVES ARE PROVIDED WITH ALIGNED OPENINGS TO RECEIVE A CARD FOLLOWER OR HOLDING ROD MOUNTING LATCH DEVICE RETAINED THEREIN BY A GUIDE-RETAINER FORMED INTEGRALLY WITH AND PROJECTING REARWARDLY FROM THE REAR HALF.

公开(公告)号：US3714680A

公开(公告)日：1973-02-06

申请号：US3714680D

申请日：1971-11-17

Applicant: WEBER KNAPP CO

Inventor： LITTLE C

IPC: B65D43/24 ,  E05F1/12 ,  F16F15/067

CPC classification number: F16F15/067 ,  E05F1/1261 ,  E05Y2201/686 ,  E05Y2900/20 ,  Y10T16/53835 ,  Y10T16/625

Abstract: A COUNTER-BALANCE SUPPORT FOR A SUSPENDED LID INCLUDING A PAIR OF COMPRESSION SPRINGS ACTING ALTERNATIVELY TOGETHER AND IN OPPOSITION FOR EFFECTIVELY COUNTER-BALANCING THE WEIGHT OF THE LID DURING VERTICAL SWINGING MOVEMENT THEREOF.