Importance

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Abstract

A latch assembly is provided. In the assembly: base-end portions of an operating lever 3 are connected to bearing portions 2 of a base 1 through a first pivot 4; base-end portions of a latch arm 5 are connected to intermediate portions of the operating lever 3 through a second pivot 6; and extension-plate portions 12 of a lock plate 11, which are mounted in slots 13 of guide-plate portions 10 of base 1 in insertion manner, are engaged with notches 21 of locking-plate portions 20 of a socket 19 fixed to the operating lever 3 to lock the lever to the base plate 1; a push plate 14 disengages the lock plate 11 from the socket 19; a spring support plate 24 of the socket 19 has spring 27 which is compressed between a support plate 23 and a spring support member 25 having a pawl 25a engaged with the second pivot 6, to slidably urge spring support member 25 to have the second pivot 6 abut on a far one surface 28a of inner walls of an elongated hole 28, the far one surface 28a being more distant from the first pivot 4 relative to the other one surface 28b.

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First Claim