Sink held in place by biting retaining fingers

Claim 1

IN A SINK STRUCTURE INCLUDING A SUPPORTING COUNTER HAVING AN OPENING DEFINED BY A PERIPHERAL WALL AND A SINK MEMBER INCLUDING A BOWL PORTION TELESCOPED IN SAID OPENING AND PROVIDED AT ITS UPPER END WITH AN OUTWARDLY TURNED SUPPORTING FLANGE HAVING AN OUTER MARGINAL PORTION RESTING UPON THE SUPPORTING COUNTER ABOUT SAID OPENING, SAID PERIPHERAL WALL OF THE OPENING HAVING A SUBSTANTIALLY STRAIGHT VERTICAL METAL SURFACE, AND SEPARATELY FORMED AND ATTACHED RESILIENT SPRING RETAINING FINGERS CARRIED BY THE SINK MEMBER, SAID RETAINING FINGERS INCLUDING ATTACHMENT LEG PORTIONS SECURED TO THE SINK MEMBER SUBSTANTIALLY SPACED FROM SAID OUTER MARGINAL PORTION OF THE SUPPORTING FLANGE AND THEREBY LEAVING SAID MARGINAL PORTION FREE FOR ENGAGEMENT UPON THE COUNTER, SAID RETAINING FINGERS ALSO HAVING TERMINAL LEGS ANGLED FROM SAID ATTACHMENT LEGS AND LOCATED OPPOSITE SAID VERTICAL METAL SURFACE AND EXTENDING IN INCLINED RELATION UPWARDLY AND HAVING BITING TIPS IN BITING ENGAGEMENT WITH SAID METAL SURFACE TO RETAIN THE SINK MEMBER AGAINST UPWARD DISPLACEMENT RELATIVE TO SAID SUPPORTING COUNTER, SAID FINGERS BEING RESILIENTLY FLEXIBLE AND ENABLING BY THEIR INCLINATION FREE DOWNWARD ASSEMBLY MOVEMENT OF THE SINK BOWL INTO THE OPENING BUT BY THEIR BITING TIP ENGAGEMENT WITH THE METAL SURFACE AUTOMATICALLY EFFECTING SAID BITING ENGAGEMENT AGAINST UPWARD DISPLACEMENT OF THE SINK MEMBER AND MAINTAINING SAID OUTER MARGINAL PORTION UNDER RESILIENT TENSION WITH RESPECT TO THE ENGAGED SUPPORTING COUNTER.