Extensible rod

Details Extensible rod Extensible rod

1991-02-27

1992-10-13

Nicholson, Eric K.

Pipe joints or couplings

Variable length

248413, 403109, 285312, F16B 710

Patent

active

051544490

ABSTRACT:
An extensible rod comprising an outer tube, an inner tube fitting in the outer tube and a locking unit consisting of a cylindrical clamp, a movable block, and an eccentric shield. The outer tube and the inner tube are clamped in the locking unit by pivoting the eccentric shield causing the shield to pinch the clamp to secure the outer tube and to press the movable block against.

REFERENCES:
patent: 428359 (1890-05-01), Warren
patent: 1261687 (1918-04-01), Brandon
patent: 1519095 (1924-12-01), Kraft
patent: 1733072 (1929-10-01), Pierce
patent: 1845143 (1932-02-01), Friesner
patent: 2531525 (1950-11-01), Oakes
patent: 2806722 (1957-09-01), Atkins
patent: 3155402 (1964-11-01), Cornelius
patent: 3203657 (1965-08-01), Thompson
patent: 3734441 (1973-05-01), Lux
patent: 4360283 (1982-11-01), Psotta
patent: 4430017 (1984-02-01), Stefancicn
patent: 4576501 (1986-03-01), McConnell
patent: 4761092 (1988-08-01), Nakatami

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