Disengageable coupling

Joints and connections – Inflatable connector

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Details

403 15, 403 26, 403 36, 403 37, 403259, 294211, 192 56F, F16D 106

Patent

active

049233203

ABSTRACT:
A disengagable coupling comprising a first part (1) affording a bore (3) and a second part (2) comprising a sleeve (5) and a drive flange (6). The sleeve (5) fits in the bore (3) and contains an insert (8) with collars (9,10) between which is defined a chamber (4) for the reception of oil under pressure to expand the sleeve into frictional engagement with the wall of the bore (3) for torque transmission. There may be a pressure release valve response to relative movement between the first and second coupling parts to release the coupling in case of overload.

REFERENCES:
patent: 3547244 (1970-12-01), Fergie
patent: 3930382 (1976-01-01), Timtner
patent: 4093052 (1978-06-01), Falk
patent: 4405251 (1983-09-01), Kolchinsky et al.
patent: 4705421 (1987-11-01), Depping
patent: 4724693 (1988-02-01), Tedder
Konstruktion 3.Jahrgan 1951, Heft 11 (1 page).

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