Joints and connections – Distinct end coupler – Plural opposed sockets
Patent
1981-12-17
1984-10-02
Callaghan, Thomas F.
Joints and connections
Distinct end coupler
Plural opposed sockets
211183, 211188, 108111, 446127, F16B 704
Patent
active
044744919
ABSTRACT:
A can stacker comprising a square piece or interlocking element of moulded plastic material with circular recesses on both sides to conform to the diameter of the ends of empty beverage cans to be stacked, which cans constitute throw away items. The four edges of the plastic piece are shaped like a square dove-tail, with two adjoining sides male and the other two adjoining sides female so that may interlock horizontally with other interlocking elements in parallel vertical stacks as well as interlocking the ends of vertically stacked cans. Such cans may be used for building numerous useful items, such as coffee tables, bookcases, room divider, etc.
REFERENCES:
patent: 2972833 (1961-02-01), Grutta
patent: 3640018 (1972-02-01), Light
patent: 3751082 (1973-08-01), Somerville
patent: 4170082 (1979-10-01), Freedman
patent: 4261470 (1981-04-01), Dolan
Callaghan Thomas F.
Ruano William J.
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