Gear rack for a mining machine

Details Gear rack for a mining machine Gear rack for a mining machine

1980-12-17

1983-08-09

Dorner, Kenneth

Machine element or mechanism

Gearing

Directly cooperating gears

105 29R, 104165, F16H 104

Patent

active

043971997

ABSTRACT:
Rack segments are formed with teeth to mesh with drive gears of a mining machine to propel it along a conveyor. The drive gears are spaced apart and mounted on a drive shaft with a sleeve member therebetween to engage the top surface of a rack segment. The rack segment has a rectangular body with arch-shaped upper and lower surfaces. Opposite end portions have a vertical hole to receive a support member which is anchored in place by a pin passed through an opening transversely thereto and arranged along a horizontal plane of symmetry. Attachments forming gear teeth project at uniformly-spaced intervals from opposite lateral sides of the rack body. The attachments have involute-like flanks extending upwardly and downwardly from the horizontal plane of symmetry such that a worn rack segment can be continually used by inverting its position 180.degree..

REFERENCES:
patent: 329104 (1885-10-01), Van Depoele
patent: 331851 (1885-12-01), Van Depoele
patent: 1140412 (1915-05-01), Spelling
patent: 4025120 (1977-05-01), Balinov
patent: 4082361 (1978-04-01), Lanfermann
patent: 4155600 (1979-05-01), Lanfermann
patent: 4184715 (1980-01-01), Lanfermann
patent: 4186970 (1980-02-01), Minke

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