Buckles – buttons – clasps – etc. – Cord and rope holders – Pivoted part
Patent
1987-02-26
1988-09-27
Sakran, Victor N.
Buckles, buttons, clasps, etc.
Cord and rope holders
Pivoted part
24155SD, 24161, A44B 914
Patent
active
047731303
ABSTRACT:
A safety-pin (1,22,38) of a conventional kind is provided with a sheath (2,23,39) made as a unitary moulding of plastics or like material. The sheath is slidable between a release state, in which it does not prevent the pin being opened and closed at will, and a locking state in which it does prevent the pin being opened from a closed state. To this end the sheath has barring means, comprising one or more abutments (15,30,41), which obstruct a movable limb (4) of the pin. Each abutment has an inclined face (16,31,42) which engages the end (21) of the cap (6) of the pin, while the sheath is being pushed onto the cap during a first stage of assembly, and causes the barring means to move resiliently aside from its normal position. During a later stage of assembly the barring means returns resiliently to substantially its normal position. Any attempt to pull the sheath off the cap is positively resisted by engagement between the abutment or abutments and the cap.
REFERENCES:
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patent: 4404713 (1983-09-01), Dorsey
patent: 4412368 (1983-11-01), Springer
Horne Martin J.
Millar Robert G.
Newey Goodman Limited
Sakran Victor N.
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