Receptacles – Closures – Closure guided in reciprocating movement
Patent
1984-09-27
1986-10-21
Shoap, Allan N.
Receptacles
Closures
Closure guided in reciprocating movement
160232, 160235, 217 62, 312138R, 312297, B65D 4314, E06B 914
Patent
active
046180702
ABSTRACT:
A shutter of the type used as a closure for boxes or containers, or for garage doors, includes a series of interconnected elongated strips having at each end of each strip an integral male and female connecting member so that the female connecting members of one strip are capable of interlocking with the male members of an adjacent strip to form the shutter. Each strip also includes an elongated recessed area and a corresponding overlapping portion positioned below the recessed area. When a series of strips are interconnected to form the shutter, the overlapping portion of one strip is received in the recess portion of an adjacent strip. Lastly, each strip includes at least one vertically oriented pair of tongue and groove members positioned intermediate the ends of each strip so that when a series of strips are interconnected to form a shutter, the tongue of one strip is received by the groove of a corresponding strip so as to prevent tampering. The strips can be injection molded from plastic material and can include metal reinforcement members extending longitudinally within the strip.
REFERENCES:
patent: 769423 (1904-09-01), Wilson
patent: 2583878 (1952-01-01), Plym
patent: 2739730 (1956-03-01), Jonas
patent: 2951533 (1960-09-01), Lucas et al.
patent: 3437126 (1969-04-01), Schroeder
patent: 4126173 (1978-11-01), Theuerkauff
patent: 4128120 (1978-12-01), Frey
patent: 4275667 (1981-06-01), Hilton
patent: 4432591 (1984-02-01), Rinkewich
De La Rue Systems Limited
Shoap Allan N.
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