FIELD: machine building.
SUBSTANCE: invention relates to attachment device with retaining structure 7 with opening 75, attachment assembly 1 fitted into the latter to fix a part in said retaining structure, and locking element 2 to lock assembly 1 in retaining structure 7. Locking element 2 is fitted in opening 75 up to end position to thrust against opening 75 to prevent pulling assembly 1 out from opening 75 to lock assembly in retaining structure 7. Locking element has, at least, one first and one second sections (21a, 21b, 22a, 22b) to fit edge 751 of opening 75, in fitting assembly 1 through said opening, so that edge 751 of said opening created force counteracting fitting direction. Said first and second sections are arranged so that in fitting second section (22a, 22b) through opening 75, larger force acts to assembly 1 than that in fitting first section (21a, 21b) through opening 75.
EFFECT: higher reliability.
20 cl, 12 dwg
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Authors
Dates
2012-06-20—Published
2008-03-20—Filed