Lockable pushbutton pin coupler

Details Lockable pushbutton pin coupler Lockable pushbutton pin coupler

1989-04-26

1992-01-28

Kundrat, Andrew V.

Joints and connections

Biased catch or latch

By separate spring

403316, 403324, 403325, 403354, 403379, F16B 700, F16D 110

Patent

active

050838830

ABSTRACT:
A locking structure for a spring-loaded, pushbutton pin coupler, the inveon prevents inadvertent or accidental depression of a "button latch" pin which can result in an uncoupled joint. The present locking structure cooperates with a pushbutton pin connector such as is commonly used on collapsible or extendible arms or legs. According to the invention, a conventional button latch pin is provided with a locking plate at its inner end, rotation of the pin after coupling of joint with the pin causes the locking plate to also rotate into engagement with a fixed pin element carried by the structure coupled by the pin, thereby preventing displacement of the pin from the locked position.

REFERENCES:
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patent: 2675257 (1954-04-01), Specht
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patent: 3449003 (1969-06-01), Hunt
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patent: 4042305 (1977-08-01), Vincent
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patent: 4597472 (1986-07-01), Hjelm
patent: 4626123 (1986-12-01), Brown
patent: 4635327 (1987-01-01), Netenik

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