E - Fixed Constructions – 02 – F
Patent
E - Fixed Constructions
02
F
E02F 3/58 (2006.01) E02F 9/00 (2006.01) F16C 11/02 (2006.01) F16C 11/04 (2006.01) F16G 15/06 (2006.01)
Patent
CA 2162440
An apparatus such as a digging bucket has a clevis device pivotably connected thereto by a pin held in place by a pin-retaining structure. The clevis includes a plurality of arcuate, lip-like, outwardly-radially- projecting first retention members and the structure includes a cap portion having a plurality of arcuate, lip-like, inwardly-radially-projecting second retention members. Each second retention member engages and "locks" to a separate first retention member. The cap portion, which interferes with free axial travel of the pin, is well secured so that the pin is retained in engagement with the clevis without welding the pin. Avoiding pin welding permits using a substantially-harder pin, resulting in significantly better wear characteristics. A new method for retaining a pin is also disclosed.
Immel Darryl R.
Kasim Rikos A.
Harnischfeger Corporation
Ridout & Maybee Llp
LandOfFree
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