BI-DIRECTIONAL BREAK-AWAY BOOM WITH ROLLER AND ROTARY DAMPER

摘要

A break-away apparatus for a boom arm has a main boom portion and a boom tip. The apparatus is positioned at a joint between the main boom portion and the boom tip. The apparatus allows the boom tip to assume a neutral position and to pivot to a forward position and to a rearward position with respect to the main boom portion. The apparatus includes a first plate disposed at the joint, a second plate disposed at the joint, a hinge assembly positioned between the first plate and the second plate, a cam element attached to the first plate, the cam element having an arcuate surface, and a roller attached to the second plate and positioned to roll against the arcuate surface.

主权项

1. A break-away apparatus for a boom arm comprising a main boom portion and a boom tip, the apparatus being positioned at a joint between the main boom portion and the boom tip, the apparatus allowing the boom tip to assume a neutral position and to pivot to a forward position and to a rearward position with respect to the main boom portion, the apparatus comprising:
a first plate disposed at the joint; a second plate disposed at the joint; a hinge assembly positioned between the first plate and the second plate; a cam element attached to the first plate, the cam element comprising an arcuate surface; and a roller attached to the second plate and positioned to roll against the arcuate surface.