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US3767280A Expired / Lapsed US ⏱️ 0.0 years remaining

Locking system for filing cabinets

Assignee: Eddy Match Co Ltd
•
Filing: 1972-03-14
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Granted: 1973-10-23
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Expires: 1992-03-14
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Abstract

Abstract A locking system for the drawers of articles of furniture such as desks and filing cabinets having a lock-actuated rotatable rod member and vertically movable locking bars at the sides of the drawers with locking studs thereon engageable with brackets on the drawers. The rotatable rod member engages with and actuates the locking bars upwardly and downwardly.

Inventors

  • 👤 Laughlin G Mc

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 15:30
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/46; E05B65/462

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 243 words
A locking system for drawers of articles of furniture having at least one drawer channel with sidewalls and a drawer slidable therein comprising a horizontally arranged cylindrical lock rod member having axle members at each end rotatably supported in the sidewalls and having a longitudinally slotted portion outwardly of the axis thereof, a lock having a lock cylinder provided with an actuating pin engaging with said lock rod member slotted portion to rotate the same, at least one lOck bar vertically and slidably mounted on a side-wall of the drawer channel and having a slot therein, a crank member mounted on said lock rod member and having a pin thereon outwardly projecting therefrom, the pin of said crank member being engaged with and rotatable in the slot of said vertical lock bar, a lock bracket inwardly of said lock bar and spaced from the side of the drawer and having a vertically facing receiving slot therein and a locking stud attached to the vertical lock bar, said locking stud being engageable in the receiving slot of said bracket upon vertical movement of the lock bar to prevent outward motion of said drawer from its closed position and said stud having a head thereon spaced from said lock bar and having a greater width than the width of the bracket slot and movable between the bracket and drawer to prevent substantial lateral movement of the side of the drawer relative to said lock bar.
Claim 2
Dependent Claim 243 words
A locking system for drawers of articles of furniture having at least one drawer channel with sidewalls and a drawer slidable therein comprising a horizontally arranged cylindrical lock rod member having axle members at each end rotatably supported in the sidewalls and having a longitudinally slotted portion outwardly of the axis thereof, a lock having a lock cylinder provided with an actuating pin engaging with said lock rod member slotted portion to rotate the same, at least one lOck bar vertically and slidably mounted on a side-wall of the drawer channel and having a slot therein, a crank member mounted on said lock rod member and having a pin thereon outwardly projecting therefrom, the pin of said crank member being engaged with and rotatable in the slot of said vertical lock bar, a lock bracket inwardly of said lock bar and spaced from the side of the drawer and having a vertically facing receiving slot therein and a locking stud attached to the vertical lock bar, said locking stud being engageable in the receiving slot of said bracket upon vertical movement of the lock bar to prevent outward motion of said drawer from its closed position and said stud having a head thereon spaced from said lock bar and having a greater width than the width of the bracket slot and movable between the bracket and drawer to prevent substantial lateral movement of the side of the drawer relative to said lock bar.
Claim 3
Dependent Claim 65 words
A locking system as defined in claim 1 having two vertical lock bars one in each sidewall, two lock brackets, one on each side of the drawer, a locking stud on each vertical lock bar engageable with each said bracket and wherein the lock rod member has two crank members, one on each end, and each crank member rotatably engages with a vertical lock bar.
Claim 4
Dependent Claim 39 words
A locking system as defined in claim 2 wherein the sidewalls have vertical channel members attached thereto, the vertical lock bars being contained and sliding therein, said channel members having vertical slots therein through which the locking studs project.
Claim 5
Dependent Claim 36 words
A locking system as defined in claim 1 wherein said vertical lock bar has a bulge therein in the area of the crank member and pin thereon to prevent disengagement of the lock bar and crank.

References Cited (Backward Citations)

US132028A Cited
US299261A Cited
US1517270A Cited
US1729844A Cited
US1716274A Cited
US2793927A Cited
US3033634A Cited
US3404929A Cited
US3497280A Cited
US3664720A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-10-22 1977-04-23 1977-10-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-10-22 1981-04-23 1981-10-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-10-22 1985-04-23 1985-10-23 $7700.00 Window Closed / Lapsed

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