Mechanized scaling bar
OwnerClaude Bourgoininventor
Life of this patent
Estimating the term…
Abstract
A portable mechanized scaling bar for the dislodging of unstable rocks in the galleries of subterranean mines provided with a telescopic handle of one (1) to two (2) meters in length terminated by a periodic displacement hitting piston, and a scaling tool adapted to the handle and comprising an anvil with a first longitudinal axis in line with the handle and having a penetrating portion including a point with a circular section, an angular stem with a convex back and concave face, an S-shape connecting the stem with an elongated anvil wherein when the point is displaced axially between rocks a lever is formed for dislodging the rocks. This tool generates a lever effect while penetrating between unstable rocks and rapidly dislodges them while minimizing efforts by the operator.
Claims15
A scaling tool for the dislodging of unstable rocks in galleries of subterranean mines, said scaling tool comprising an anvil and a penetrating portion generally in line along a common axis, said anvil being adapted to be hit by periodic displacement means acting on said anvil along said common axis and said penetrating portion being joined to said anvil,
- said anvil comprising:
- a generally circular elongated body with a first longitudinal axis, a hit end to receive an impact from said periodic displacement means, a junction end to connect to said penetrating portion, means disposed between said hit end and said junction end for non-rotatively sliding said elongated body, and retaining means to limit said sliding,
- said penetrating portion comprising:
- a penetration point being disposed along a second longitudinal axis, said second longitudinal axis being parallel to said first longitudinal axis and laid at a distance from said first longitudinal axis, said penetration point having a free end,
- an angular stem being an extension of said penetration point in an opposing direction from said free end and comprising a third axis, a length and two sides,
- an S-shape at said junction end, said S-shape being also elongated, connecting said angular stem to said elongated body of said anvil at said junction end,
- said second and third axes forming an angle .alpha. between each other, a first side of said stem forming a convex back, adapted to form a wedge with said second longitudinal axis and a second side forming a concave face oriented toward said first longitudinal axis and forming a clearance angle .beta. and where said angle .beta. is smaller than said angle .alpha., the axial displacement of the elongated body of the anvil, the S-shape, the angular stem and the penetration point, when hit by said periodic displacement means, causing penetration between rocks and the forming of a lever for the dislodging of said rocks.
A mechanized scaling bar for use with a scaling tool for the dislodging of unstable rocks in galleries of subterranean mines, said scaling tool comprising an anvil and a penetrating portion generally in line along a common axis, said anvil adapted to be hit by periodic displacement means acting on said anvil along said common axis, said penetrating portion joined to said anvil,
- said anvil comprising:
- a generally circular elongated body with a first longitudinal axis, a hit end to receive an impact from said means for displacing, a junction end to connect to said penetrating portion, means disposed between said hit end and said junction end for non-rotatively sliding said elongated body, and retaining means to limit said sliding,
- said penetrating portion comprising:
- a penetration point being disposed along a second longitudinal axis said second longitudinal axis being parallel to said first longitudinal axis and laid at a distance from said first longitudinal axis, said penetration point having a free end,
- an angular stem being an extension of said penetration point in an opposing direction from said free end and comprising a third axis, a length and two sides,
- an S-shape at said junction end, said S-shape being also elongated, connecting said angular stem to said elongated body of said anvil at said junction end,
- said second and third axes forming an angle .alpha. between each other, a first side of said stem forming a convex back, adapted to form a wedge with said second longitudinal axis and a second side forming a concave face oriented toward said first longitudinal axis and forming a clearance angle .beta. and where said angle .beta. is smaller than said angle .alpha., the axial displacement of the elongated body of the anvil, the S-shape, the angular stem and the penetration point, when hit by said periodic displacement means, causing penetration between rocks and the forming of a lever for the dislodging of said rocks;
- wherein said periodic displacement means comprise a pneumatic hammer, provided with a piston adapted to be displaced axially toward said anvil onto said hit end, said mechanized scaling bar further comprising:
- an envelope forming a primary adaptor adapted to receive said pneumatic hammer, said hit end and said polygonal section,
- a fixed exterior handle attached to said primary adaptor,
- a hollow inner telescopic sleeve, sliding within said fixed exterior handle, comprising means for passage of a fluid channeled to act on said hammer and means adapted to said handle to initialize the flow of said fluid.
Dependencies are inferred from the claim text.