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Patent 20881 Summary

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Claims and Abstract availability

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(12) Patent: (11) CA 20881
(21) Application Number: 20881
(54) English Title: COAL HANDLING MACHINE
(54) French Title: APPAREIL POUR TRANSPORTER LE CHARBON
Status: Term Expired - Post Grant Beyond Limit
Bibliographic Data
Abstracts

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Claims

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Claim.-1st. In a coal elevating and dumping machine, constructed with a single or double tramway, provided with a car or cars to run thereon, for conveying the coal from the dumping bucket to the bins. the combination of a screen constructed in the form of an inverted V. with one upper hopper and two under hoppers connected therewith, the upper hopper placed directly below the elevated bucker and above the screw, into which upper hopper the coal is dumped, and passes down each side of the sloping screen into the lower under hopper, constructed with solding doors and operated by the mechanism described for this purpose, substantially as specified and shown. 2nd. In a coal elevating and dumping machine, constructed as described, the combination of a screen S located below the upper screw G to receive the small coal and dust which pass through the upper screen, as also the coal that maybe scattered in dumping from the bucket, this grading screen is constructed with two separate sieves, one sieve Si through which the dust passes, the other sieve S2 admits pea-coal to pass through, the larger pieces pass over the screen as nut coal, substantially as described. 3rd. A spout N, connecting the screw 8 with the hopper I and hopper H, for the purposes set forth. 4th. The mechanism for operating the doors k, k of the hopper J comprising the handle a, elbow b, links d, do, as shown and described.
Description

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Representative Drawing

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Administrative Status

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Event History

Description Date
Inactive: Expired (old Act Patent) latest possible expiry date 1903-01-15
Grant by Issuance 1885-01-15

Abandonment History

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Owners on Record

Note: Records showing the ownership history in alphabetical order.

Current Owners on Record
JOHN R. BAILEY
THOMAS T. HYDE
Past Owners on Record
None
Past Owners that do not appear in the "Owners on Record" listing will appear in other documentation within the application.
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