What is a Pendulum latch?
First of all: A distinction is made between one- and two-stage pendulum locks. The term “pendulum” is derived from the movement sequence during use. It’s very simple: when opening, the handle is moved first to the left and then to the right via a two-stage zig-zag catch – anyone who didn’t know this before must be really torn. In any case: This two-step process allows the oven to be vented before it is fully opened. This has the positive effect of significantly reducing the risk of scalding for operators. If the pendulum lock isn’t a really hot contender for a safety award…
There are different versions of the two-stage pendulum lock: zigzag, clockwise (CW) and counterclockwise (CCW). Each variant enables the closure to be perfectly positioned directly on the edge of the oven and prevents the handle from having to be operated beyond the edge. Open oven safely? You can do it with the left. Then right!
CW = clockwise
CCW = counterclockwise
ZZ – zigzag strike
The two-step zigzag strike (2st ZZ) allows the door to be opened by first turning the handle clockwise and then counterclockwise. 1. Venting position (protection against scalding) 2. Opened position
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CW – clockwise
The two-step CW strike (2st CW) allows the door to be opened by turning the handle clockwise twice. 1. Venting position (protection against scalding) 2. Opened position
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CCW – counterclockwise
The two-step CCW strike (2st CCW) allows the door to be opened by turning the handle counterclockwise twice.
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Two-stage zigzag strike
1. Closed position
Latch is locked in closed position.
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8 2. Handle turned 45° clockwise
The roll of the latch stops at the first step of the strike and the door is in venting position.
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3. Venting position
In the venting position hot steam can escape and reduce the risk of scalding for operators.
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4. Handle turned 45° counterclockwise
The latch is free to open.
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5. Open position