Internally expanding railing coupling

Details Internally expanding railing coupling Internally expanding railing coupling

1980-07-24

1982-08-17

Kundrat, Andrew V.

Joints and connections

Member ends joined by inserted section

Expansible section

403374, F16D 100

Patent

active

043447198

ABSTRACT:
An internal expanding coupling for pipe railing including a slotted sleeve member positioned inside two abutted railing sections with a wedging member positioned within the slot for expanding the sleeve outwardly against the railing sections in a locking joint as the wedge member is drawn against the railing sections.

REFERENCES:
patent: 734509 (1903-07-01), Caesar
patent: 1545115 (1925-07-01), Amsden
patent: 1884497 (1932-10-01), Abbott
patent: 2192048 (1940-02-01), Mueller
patent: 2850304 (1958-09-01), Wagner
patent: 2997317 (1961-08-01), Scott
patent: 3195923 (1965-07-01), Moulton
patent: 3514135 (1970-05-01), Cooper
patent: 4102529 (1978-07-01), Neblung

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