초록 ▼

A guide bar for the treatment of tree stumps. A channel formed in the bar length is fitted with a soft metal tube. The tube is pierced with a piercing tool that produces hole forms leaving a center opening inset toward the tube center with flared sides that allow spreading of the liquid treatment di

A guide bar for the treatment of tree stumps. A channel formed in the bar length is fitted with a soft metal tube. The tube is pierced with a piercing tool that produces hole forms leaving a center opening inset toward the tube center with flared sides that allow spreading of the liquid treatment directed from the tube interior to a stump surface while severing a tree. The opening may be varied in size to accommodate different pivotal speed rates of the hole form locations along the bar length.

대표청구항 ▼

1. A guide bar for a chain saw for cutting down trees comprising:an elongate guide bar having a channel formed along its length; an elongate tube defining an exterior wall and interior cavity, said tube secured in the channel, said tube having a side wall portion exposed to the exterior of the guide

1. A guide bar for a chain saw for cutting down trees comprising:an elongate guide bar having a channel formed along its length; an elongate tube defining an exterior wall and interior cavity, said tube secured in the channel, said tube having a side wall portion exposed to the exterior of the guide bar at one side of the guide bar; said tube having hole forms provided along its length in said exposed side wall portion, said hole forms defining an inset from the exterior wall and extended into the interior cavity with a center opening and diverging sides extending outward from said center opening to the exterior wall of the tube; and a liquid treatment source connected to said interior cavity for directing liquid treatment into and through said cavity and out of said openings and onto an exposed surface of a tree trunk.