/Tubular Latch Mechanism
Abstract

Certain embodiments of the present disclosure relate to a latch mechanism, including a housing assembly, a bolt bar, a bolt, and a multiplier. The bolt bar is slidably mounted in the housing assembly, the bolt is slidably mounted in the housing assembly, and the multiplier is pivotably mounted to the bolt bar. The multiplier is configured to move the bolt by a first displacement distance in response to movement of the bolt bar by a second displacement distance, and the first displacement distance is greater than the second displacement distance.

Full Text

What is claimed is:

Certain embodiments of the present disclosure relate to a latch mechanism, including a housing assembly, a bolt bar, a bolt, and a multiplier. The bolt bar is slidably mounted in the housing assembly, the bolt is slidably mounted in the housing assembly, and the multiplier is pivotably mounted to the bolt bar. The multiplier is configured to move the bolt by a first displacement distance in response to movement of the bolt bar by a second displacement distance, and the first displacement distance is greater than the second displacement distance.
Timeline
Filed
04/28/2026
Published
09/03/2026
Granted
Not Available
IPC Codes(6)
E05B 63/06:with lengthwise-adjustable bolts
E05B 15/00:Other details of locks; Parts for engagement by bolts of fastening devices
E05B 55/12:the bolt being secured by the operation of a hidden parallel member