Patent ID: 6059247
Filing Date: 2000-05-09
Classification: A01K

Abstract:
An apparatus comprising:a liquid absorptive sheet;a base member having a bottom layer and a continuous upstanding wall, said bottom layer and said upstanding wall defining a reservoir, said upstanding wall having an interior vertical side and an exterior vertical side connected by an upper wall; anda securing member comprising an upper surface, an interior depending leg, and an exterior depending leg for receiving said upstanding wall of said base member, said interior and exterior depending legs being flexible in directions toward and away from one another so as to form a compression fit between said base member and said securing member, said absorptive sheet being removably secured at its periphery between said base member and said securing member,wherein said securing member and said base member establish at least four areas of peripheral pressure contact along the periphery of said absorptive sheet, a first area of peripheral pressure contact being defined by said securing member forcing said absorptive sheet against said bottom layer of said base member to hold said absorptive sheet flat against said bottom layer of said base member, and second and third areas of peripheral pressure contact being defined by said absorptive sheet being sandwiched at areas between said interior vertical side and said interior depending leg and between said exterior vertical side and said exterior vertical leg.