← Back to Patent Explorer
US3228740A Expired / Lapsed US ⏱️ 0.0 years remaining

Modular drawer handle

Assignee: Weber Knapp Co
•
Filing: 1964-01-22
•
Granted: 1966-01-11
•
Expires: 1984-01-22
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Kermit A Lundell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 21:36
CPC Classifications
A; A47; A47B; A47B95/00; A47B95/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 419 words
A COMBINATION CARRYING HANDLE AND LATCHING MECHANISM FOR A DRAWER ADAPTED TO BE INSERTED IN A STORAGE DEVICE OF THE RACK OR CABINET TYPE, SAID STORAGE DEVICE HAVING A KEEPER EXTENDING FORWARDLY THEREFROM AND INCLUDING A FORWARD FACING ABUTMENT AND A HOOK PORTION FORWARDLY SPACED THEREFROM, SAID MECHANISM COMPRISING, A FIXED HANDLE FOR PERMANENT ATTACHMENT TO THE FRONT OF SAID DRAWER, A LEVER SHAPED GENERALLY TO COMPLEMENT THE FRONT PROFILE SHAPE OF SAID HANDLE AND PIVOTALLY CONNECTED AT ONE END THEREOF TO ONE END OF SAID HANDLE, SAID LEVER TERMINATING IN A CAM PORTION EXTENDING ENDWISE BEYOND THE POSITION OF THE PIVOTAL CONNECTION OF SAID LEVER TO SAID HANDLE, AND HAVING A DOG PORTION EXTENDING LATERALLY FROM SAID CAM PORTION, THE PARTS BEING SO DIMENSIONED AND ARRANGED THAT WHEN SAID LEVER IS PIVOTED TO ITS "OPEN" POSITION SAID CAM PORTION MOVES INTO ALIGNMENT WITH SAID KEEPER ABUTMENT AND THE PIVOTAL INTERCONNECTION OF SAID LEVER AND HANDLE WHEREBY TO ACT AS A STOP AGAINST FULL INSERTION OF SAID DRAWER INTO SAID STORAGE DEVICE WITH SAID DOG PORTION DISPOSED IN REGISTRY WITH SAID HOOK PORTION OF SAID KEEPER WHEREBY MANUAL PIVOTING OF SAID LEVER WILL THEREUPON SIMULTANEOUSLY SHIFT SAID CAM PORTION OUT OF INTERFERING RELATION WITH SAID KEEPER ABUTMENT WHILE DRIVING SAID DOG PORTION INTO SAID KEEPER HOOK PORTION AND REACTING THEREAGAINST TO PRY SAID DRAWER FIRMLY INTO FULLY INSERTED POSITION IN SAID STORAGE DEVICE, SAID LEVER BEING FORMED AT ITS OTHER END WITH FIRST, SECOND AND THIRD NOSE PORTIONS PROVIDING HOOK LAND SURFACES DISPOSED IN THREE DIMENSIONALLY TRANSVERSE PLANE RELATIONSHIPS, A MAIN LATCH CARRIED BY SAID HANDLE AND SPRING-BIASED TO ENGAGE SAID FIRST AND SECOND NOSE PORTIONS OF SAID LEVER WHEN THE LATTER IS MANUALLY PIVOTED INTO ITS "CLOSED" POSITION, THEREBY LOCKING SAID LEVER TO SAID HANDLE AND SAID DRAWER IN SAID STORAGE DEVICE, A SECOND LATCH CARRIED BY SAID FIRSTE LATCH AND SPRINGBIASED TO ENGAGE SAID THIRD NOSE PORTION OF SAID LEVER WHEN THE LATTER IS IN "CLOSED" POSITION, THEREBY LOCKING SAID MAIN LATCH AGAINST ACCIDENTAL DISENGAGEMENT FROM SAID LEVER AND FINGER TAB MEANS EXTENDING FROM SAID MAIN AND SECOND LATCHES FOR MANUAL RELEASE THEREOF WHEREBY SAID LEVER MAY BE DISENGAGED FROM SAID HANDLE BY INITIAL RELEASE OF SAID SECOND LATCH AND THEN RELEASE OF SAID MAIN LATCH WHEREUPON SAID LEVER MAY BE PIVOTED TO ITS "OPEN" POSITION CAUSING SAID CAM PORTION TO REACT AGAINST SAID KEEPER ABUTMENT PORTION TO PRY SAID DRAWER OUT OF ITS FULLY INSERTED POSITION AND TO FREE IT FOR WITHDRAWAL FROM SAID STORAGE DEVICE.
Claim 2
Dependent Claim 419 words
A COMBINATION CARRYING HANDLE AND LATCHING MECHANISM FOR A DRAWER ADAPTED TO BE INSERTED IN A STORAGE DEVICE OF THE RACK OR CABINET TYPE, SAID STORAGE DEVICE HAVING A KEEPER EXTENDING FORWARDLY THEREFROM AND INCLUDING A FORWARD FACING ABUTMENT AND A HOOK PORTION FORWARDLY SPACED THEREFROM, SAID MECHANISM COMPRISING, A FIXED HANDLE FOR PERMANENT ATTACHMENT TO THE FRONT OF SAID DRAWER, A LEVER SHAPED GENERALLY TO COMPLEMENT THE FRONT PROFILE SHAPE OF SAID HANDLE AND PIVOTALLY CONNECTED AT ONE END THEREOF TO ONE END OF SAID HANDLE, SAID LEVER TERMINATING IN A CAM PORTION EXTENDING ENDWISE BEYOND THE POSITION OF THE PIVOTAL CONNECTION OF SAID LEVER TO SAID HANDLE, AND HAVING A DOG PORTION EXTENDING LATERALLY FROM SAID CAM PORTION, THE PARTS BEING SO DIMENSIONED AND ARRANGED THAT WHEN SAID LEVER IS PIVOTED TO ITS "OPEN" POSITION SAID CAM PORTION MOVES INTO ALIGNMENT WITH SAID KEEPER ABUTMENT AND THE PIVOTAL INTERCONNECTION OF SAID LEVER AND HANDLE WHEREBY TO ACT AS A STOP AGAINST FULL INSERTION OF SAID DRAWER INTO SAID STORAGE DEVICE WITH SAID DOG PORTION DISPOSED IN REGISTRY WITH SAID HOOK PORTION OF SAID KEEPER WHEREBY MANUAL PIVOTING OF SAID LEVER WILL THEREUPON SIMULTANEOUSLY SHIFT SAID CAM PORTION OUT OF INTERFERING RELATION WITH SAID KEEPER ABUTMENT WHILE DRIVING SAID DOG PORTION INTO SAID KEEPER HOOK PORTION AND REACTING THEREAGAINST TO PRY SAID DRAWER FIRMLY INTO FULLY INSERTED POSITION IN SAID STORAGE DEVICE, SAID LEVER BEING FORMED AT ITS OTHER END WITH FIRST, SECOND AND THIRD NOSE PORTIONS PROVIDING HOOK LAND SURFACES DISPOSED IN THREE DIMENSIONALLY TRANSVERSE PLANE RELATIONSHIPS, A MAIN LATCH CARRIED BY SAID HANDLE AND SPRING-BIASED TO ENGAGE SAID FIRST AND SECOND NOSE PORTIONS OF SAID LEVER WHEN THE LATTER IS MANUALLY PIVOTED INTO ITS "CLOSED" POSITION, THEREBY LOCKING SAID LEVER TO SAID HANDLE AND SAID DRAWER IN SAID STORAGE DEVICE, A SECOND LATCH CARRIED BY SAID FIRSTE LATCH AND SPRINGBIASED TO ENGAGE SAID THIRD NOSE PORTION OF SAID LEVER WHEN THE LATTER IS IN "CLOSED" POSITION, THEREBY LOCKING SAID MAIN LATCH AGAINST ACCIDENTAL DISENGAGEMENT FROM SAID LEVER AND FINGER TAB MEANS EXTENDING FROM SAID MAIN AND SECOND LATCHES FOR MANUAL RELEASE THEREOF WHEREBY SAID LEVER MAY BE DISENGAGED FROM SAID HANDLE BY INITIAL RELEASE OF SAID SECOND LATCH AND THEN RELEASE OF SAID MAIN LATCH WHEREUPON SAID LEVER MAY BE PIVOTED TO ITS "OPEN" POSITION CAUSING SAID CAM PORTION TO REACT AGAINST SAID KEEPER ABUTMENT PORTION TO PRY SAID DRAWER OUT OF ITS FULLY INSERTED POSITION AND TO FREE IT FOR WITHDRAWAL FROM SAID STORAGE DEVICE.

References Cited (Backward Citations)

US2544314A Cited
US3140905A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-01-10 1969-07-12 1970-01-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-01-10 1973-07-12 1974-01-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-01-10 1977-07-12 1978-01-11 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag