Boom segment and breakaway mechanism

Abstract A breakaway joint for a boom arm assembly includes a first boom segment defining a pivot axis at a first end, a second boom segment pivotally coupled to the first boom segment at the pivot axis, a bracket coupled to the first boom segment, a leaf spring coupled to the bracket between the fi...

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Bibliographische Detailangaben
Hauptverfasser: Subramaniam, Sankaran, Tortorella, Nathan, Nelson, Jonathan J, Chowaniec Jr., Richard J, Peterson, Gregory E, DePriest, Andrew E, McCunn, Gregory S
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:Abstract A breakaway joint for a boom arm assembly includes a first boom segment defining a pivot axis at a first end, a second boom segment pivotally coupled to the first boom segment at the pivot axis, a bracket coupled to the first boom segment, a leaf spring coupled to the bracket between the first boom segment and the second boom segment, and a cam coupled to the second boom segment and positioned adjacent to the leaf spring. The first boom segment and the second boom segment are pivotally aligned in a neutral position. In the neutral position, the leaf spring contacts the cam at a first contact force, and in any position other than the neutral position, the leaf spring contacts the cam at a contact force greater than the first contact force. (NL Cf=