Retainer clip for mounting sink to countertop

A retainer clip for anchoring a flanged sink within a cutout of a countertop, the retainer clip comprising:

• a ratchet plate configured to be mounted to an edge the countertop within the cutout, the ratchet plate including a front face having plurality of parallel detents respectively spaced from each other by an incremental distance;
• and
• a pawl adapted to be mounted to the sink, the pawl including a plurality resilient tabs, each of the tabs configured to deflectably engage the ratchet plate and engage successive detents with a one-way locking action as the pawl moves vertically relative to the ratchet plate;
• wherein at least some of the resilient tabs have a different respective lengths so that when at least one of the tabs is seated upwardly in a detent, at least one of the other tabs is positioned between detent increments.

A combination comprising:

• a sink including a peripheral flange and a plurality of rails mounted to an underside of the peripheral flange;
• and
• a plurality of retainer clips for mounting the sink within a cutout of a countertop, each of the retainer clips including:
• a ratchet plate mountable to an edge of the cutout, the ratchet plate including a plurality of detents positioned vertically adjacent to each other;
• and
• a pawl mounted to the rail of the sink and including at least one resilient tab to deflectably engage successive detents of the ratchet plate when the sink is inserted downwardly into the cutout and to upwardly seat in one of the detents to retain the sink in a fully inserted position when the flange seats against the countertop.