Patent ID: 7715209

Claim:
A retention assembly comprising: a latch structure formed on a platform, the latch structure comprising an engaging portion and a latching portion; and a latch holder comprising a holding protrusion engaging with the latching portion of the latch structure, an elastic pushing portion causing the latch holder to engage with or disengage from the engaging portion of the latch structure, an engaging portion engaging with the engaging portion of the latch structure, a resisting member, and a detachable latch fixed on a first end of the resisting member; wherein the holding protrusion of the latch holder is formed on a second end of the resisting member opposite to the first end, the pushing portion and the engaging portion are formed on the detachable latch, the latch holder is rotatable around the latching portion of the latch structure; the holding protrusion comprises a limiting block; the limiting block is longer than and spaced from the engaging block; the limiting block resists an end of the latching portion to prevent the resisting member from moving away from the platform.