E - Fixed Constructions – 02 – F
Patent
E - Fixed Constructions
02
F
E02F 9/00 (2006.01) E02F 3/36 (2006.01) E02F 3/96 (2006.01)
Patent
CA 2126153
An upper end portion of an excavation ripper shank is captively and removably retained in a ripper box using a specially designed flex pin connector longitudinally driven into generally aligned openings in the ripper box and shank. The flex pin connector includes first and second rigid pin members held in a spaced apart, parallel, laterally facing relationship by a plurality of elastomeric members bonded to facing side surfaces of the pin members. When the flex pin connector is driven into the aligned box and shank openings the elastomeric members are compressed, causing the first and second pin members to drive the shank and box into forcible abutment with one another to substantially eliminate relative side-to-side play therebetween. Additionally, as the flex pin connector passes through the first and second openings its first and second pin members are caused to pivot relative to one another about an axis parallel to the compression direction of the elastomeric members. When the flex pin connector reaches its installed position the first and second pin members return to their original pivotal orientation, and locking projections on their end portions releasably block longitudinal removal of the flex pin connector. A second flex pin connector, substantially identical to the first flex pin connector, is removably received in a third opening formed in the ripper box and has outer side portions that resiliently bear against the received ripper shank portion and an interior side surface portion of the third opening that faces such ripper shank portion.
Robinson Howard W.
Ruvang John A.
Gh Hensley Industries Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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