US 5,823,646 · Granted 1998-10-20
The Flip-Down Cabinet Door That Opens Two Ways at Once
Imagine a cabinet where you pull down the front door and the side door automatically swings open too — they're mechanically linked so you can't open one without the other. It's designed for optical equipment that needs quick access from multiple angles without fumbling with separate latches.
The plain-English version
What it protects
The claim covers a wall-mounted cabinet where a front door that pivots downward is mechanically latched to a side door that pivots outward, such that releasing the latch on the front door automatically releases and opens the side door simultaneously. What's protected here is the specific linkage mechanism that couples the two doors' motion so they operate as a single unit rather than independently.
Why it matters
This patent solves a real ergonomic problem in server rooms and telecom closets where technicians need fast, simultaneous access to equipment from two orientations. By linking the doors mechanically, it eliminates confusion about which door opens when and reduces the number of separate actions needed to fully expose optical hardware. This kind of clever mechanical coupling saves time and reduces installation errors in industrial cabinet design.
Real-world use
When a technician needs to service fiber optic equipment in a wall cabinet, they pull the front door down and the side panel automatically swings out, giving them clear access to the hardware without having to hunt for a second latch.
Original USPTO abstract
A wall mount cabinet is provided that has a front door that pivots downward and a side door that pivots out to the side. The side door is latched to the front door such that opening of the front door also opens the side door.
Patent details
- Publication number
- US 5,823,646
- Filing date
- 1997-09-02
- Grant date
- 1998-10-20
- Assignee
- Siecor Corporation
- Inventor(s)
- ARIZPE; RONALD E., DAGLEY; MARK R., HALL; DAVID C., MORGAN; KEVIN L.
- CPC class
- H04Q1/10
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