Mechanism for pivoting a limit plate to top of a rip fence

A table saw includes a base assembly; a table assembly mounted on the base assembly and including a table; a slide mechanism mounted on the table assembly; and a rip fence assembly mounted on one side of the table assembly. The rip fence assembly includes a receptacle in a lower portion of one end; an elongated limit plate including two 90-degree bent arms at two ends respectively， each bent arm including a slot having a first end and a second end; a limit seat facing the receptacle; a spring-biased detent anchored in the receptacle and urging against an inner surface of the limit seat by passing through the second end of the slot; and a pivot disposed on an upper portion of one end of the rip fence assembly and disposed through the first end of the slot.