Closure fasteners – Seals – Rigid shackle ends
Patent
1987-03-04
1988-10-25
Moore, Richard E.
Closure fasteners
Seals
Rigid shackle ends
B65D 3334
Patent
active
047799110
ABSTRACT:
A padlock seal comprising a housing, a rod shackle, a U-shaped spring receiver, a constraint nut and a casing, is characterized in: U-shaped spring receiver as well as constraint nut is, respectively, retained in a pocket formed in said housing; each pocket can be divided into two portions of different diameter; said rod shackle is formed with a relatively long leg having a threaded extremity and a relatively short leg having a taper extremity and a circular notch adjacent the taper extremity; said housing is to receive said shackle by means of the U-shaped spring receiver and the constraint nut engaging respectively with the circular notch and the threaded extremity formed on either leg of the shackle, thus close and lock the shackle loop; once it has been locked, it cannot be opened except by so breaking or deforming it as to render it incapable of being re-used.
REFERENCES:
patent: 1048837 (1912-12-01), Jessup
patent: 1173603 (1916-02-01), Murray et al.
patent: 1549742 (1925-08-01), Brune, Sr.
patent: 1580573 (1926-04-01), Schara
patent: 2103743 (1937-12-01), Doty
patent: 3591223 (1971-07-01), de Lima Castro Nato
patent: 4075742 (1978-02-01), Remark et al.
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