Pipe joints or couplings – Pipe to discreet nipple or sleeve to plate – Expandable detent engages plate to hold nipple
Patent
1999-01-27
2000-07-04
Arola, Dave W.
Pipe joints or couplings
Pipe to discreet nipple or sleeve to plate
Expandable detent engages plate to hold nipple
208319, 208906, 208921, 174 65R, F16L 304
Patent
active
060827823
ABSTRACT:
A connection fitting (1) is provided for fastening long bodies, such as hoses, particularly corrugated hoses (2), but also pipes or cables, to an opening (3), for example in a wall (4) of a housing. The fitting (1) has a fastening projection (5), protruding axially in the plug-in direction (Pf1), which is divided into retaining tongues (7) by slots (6). Retaining projections (8) are arranged protruding approximately radially outwardly from these retaining tongues. When the fastening projection (5) is inserted into the opening (3) or similar passageway, the retaining tongues (7) are deformed radially inwardly by an edge (10) of the opening (3) against a restoring force, and arrive at their fastening position beyond the opposing edge (9) of the opening (3), whereby the retaining projections (8) grasp behind this edge (9). Spaced axially from the retaining projections (8), a detent is arranged which rests in the fastening position on the opening edge (10) lying opposite the edge (9) of the opening (3) which has been grasped behind, i.e. the edge (10) which is the front edge in the plug-in direction. This detent includes an elastic ring (11) supported on an angled surface (12) of the connection fitting (1) that widens outwardly obliquely away from the opening (3). The ring (11) is pressed against this angled surface (12) and/or displaced in the axial direction on this angled surface (12) under elastic deformation and/or under expansion of its diameter against a restoring force. In this process, this elastically flexible ring (11) can simultaneously have a sealing function.
REFERENCES:
patent: 3221572 (1965-12-01), Swick
patent: 3415549 (1968-12-01), Chatham
patent: 3836269 (1974-09-01), Koscik
patent: 5068496 (1991-11-01), Favalora
patent: 5204499 (1993-04-01), Favalora
Adolf Jurgen
Bartholoma Mario
Gotz Volker
Zugel Fritz
Anton Hummel Verwaltungs - GmbH
Arola Dave W.
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