Slam latch assembly, and its operation method, and latch lock assembly operated according to the method

A latching, assembly technology, used in architectural locks, connecting elements, door/window fittings, etc.

Active Publication Date: 2009-12-02
SOUTHCO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

While many latch assemblies are known in the prior art, none teach or suggest the unique features of the present invention or achieve the advantages of the present invention

Method used

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  • Slam latch assembly, and its operation method, and latch lock assembly operated according to the method
  • Slam latch assembly, and its operation method, and latch lock assembly operated according to the method
  • Slam latch assembly, and its operation method, and latch lock assembly operated according to the method

Examples

Experimental program
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Embodiment Construction

[0020] The latch 100 includes an upper housing 102 supporting a pop-up button 104 and a lower housing 106 supporting a detent (or pawl) 108 . The upper housing 102 is cylindrical in shape and has a central bore 110 extending throughout its entire length. Accordingly, upper housing 102 may be considered to be tubular. The aperture 110 of the upper housing forms a top opening 112 at the top end of the upper housing. In addition, the aperture 110 of the upper housing 102 forms a bottom opening 114 at the bottom end of the upper housing. The upper housing 102 has a flange 116 surrounding its top end and in particular the top opening 112 of the upper housing. The exterior of the upper housing 102 is provided with interrupted threads 118 to allow mounting nuts 120 to attach the upper housing and thus the latch to the A closure such as door 122. The upper housing 102 is provided with a plurality of raised ribs 124 terminating in a chisel-shaped lower end 126 . The ribs 124 are ev...

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PUM

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Abstract

A latch with a pop-up button. When the button is extended, it provides a handle on the door for pulling. With the button raised or lowered, the door can be closed. With the button raised, the latch catch can be disengaged from a retainer mounted on the door frame by pulling the door open. With the button down, the latch catch remains in the extended position behind the keeper and cannot pull the door open. The latch also includes means for selectively retaining the button in the lowered position, and means for resisting rotational movement of the latch catch when the button is in the lowered position.

Description

technical field [0001] The present invention relates to the field of latch assemblies. Background technique [0002] Latch assemblies are relied upon in many applications to securely close items such as panels, doors and door frames together. Various latches for panel closure are employed where one of the panels, such as a swinging door or the like, is fastened or secured to a stationary panel, door frame or compartment. While many latch assemblies are known in the prior art, none teach or suggest the unique features or achieve the advantages of the present invention. Contents of the invention [0003] The present invention provides a latch with a pop-up button. When the button is extended, it provides a handle on the door for pulling. With the button raised or lowered, the door can be closed. With the button raised, the latch catch can be disengaged from a retainer mounted on the door frame by pulling the door open. With the button down, the latch catch remains in th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E05C1/12
CPCY10T292/0977E05B15/0046Y10T292/0889E05B63/0065Y10T70/5761E05B1/0038Y10T70/5341Y10T70/7576E05B5/003Y10S70/20Y10S292/37Y10T292/0976E05C5/00
Inventor J·W·小杰克逊C·G·W·芒努松
Owner SOUTHCO
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