Patent ID: 8205298

Claim:
A binge comprising: a base including a pivotal portion; a coupling member received in the base; a mounting seat, with the coupling member detachably mounted onto the mounting seat; an outer resilient plate including an end pivotably mounted onto the base; a fixed seat pivotably mounted onto another end of the outer resilient plate; and a buffer device including a connecting member, a buffer, and an inner resilient plate, with the connecting member including a first connecting plate having a first pivot hole, a second pivot hole, and an arcuate slot, with the first pivot hole, the second pivot hole, and the arcuate slot being non-colinear, with each of the first pivot hole of the connecting member, an end of the buffer, and an end of the inner resilient plate being pivotably mounted onto the pivotal portion of the base, with another end of the buffer being pivotably mounted onto the second pivot hole of the connecting member, with another end of the inner resilient plate slideably mounted onto the arcuate slot, with the inner resilient plate further including a fulcrum pivot hole intermediate the ends thereof, with the fulcrum pivot hole being pivotably mounted by a pivot onto the pivotal portion of the base.