Door Latch Mechanism
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Door Latch Mechanism
Door Latch Mechanism

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The customer was building a fiberglass kit car with gullwing doors. The kit came with old-fashioned suitcase-type latches that were ugly and hard to operate. B. Dash Fabrication designed and built these latch mechanisms from aircraft-grade 6061 T6 aluminum. They operate two push rods, one forward and one aft, that push pins into the door jams. There are provisions for an external handle and a keyed lock mechanism.

Once closed, a spring drops the locking pin into place. To open, the pin must be pulled, and then the handle can be rotated, retracting the push rods.

The mechanism as shown weighs about 100 grams, or three ounces.

In spite of this light weight, it can provide an extremely strong and positive closure since force applied to the door is not passed to the latch mechanism.

Small fabrication and engineering shop in Belleville, IL specializing in one of a kind projects for personal or business use.
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