US109841A - Improvement in burr-mills - Google Patents

Improvement in burr-mills Download PDF

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US109841A
US109841A US109841DA US109841A US 109841 A US109841 A US 109841A US 109841D A US109841D A US 109841DA US 109841 A US109841 A US 109841A
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mills
burr
improvement
shaft
rollins
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C2/00—Crushing or disintegrating by gyratory or cone crushers
    • B02C2/02—Crushing or disintegrating by gyratory or cone crushers eccentrically moved
    • B02C2/04—Crushing or disintegrating by gyratory or cone crushers eccentrically moved with vertical axis
    • B02C2/045—Crushing or disintegrating by gyratory or cone crushers eccentrically moved with vertical axis and with bowl adjusting or controlling mechanisms

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  • my invention consists in combining an adjusting device for the lower millstone with a cylindrical casing for the lower gearing, the object being to provide a simple and convenient mode of adjusting and supporting the stone, and also to protect the drivinggearing.
  • Figure l represents a perspective View of my invention.
  • Fig. 2 represents a vertical section of the same.
  • H and H represent the upper and lower millstones, the upper stone, H, being propelled in the usual manner by the shaft S.
  • the lower end of the shaft S rests in a step upon the lever V, Fig.- l, and is adjusted in the usual manner by the screw-bolt I.
  • the upper end of the shaft S is held by means of the pivot s, attached to the arch R, as shown.
  • Fand F represent the driving-pulley and idler.
  • W', Fig. 2 represents a beveled gear, which is driven by the shaft K, Fig. l, and which meshes into the beveled gearW, which, acting through the shaft ⁇ S, propels the lupper millstone.
  • the casing D D is provided with an annular offset or shoulder, d e E, Fig. 2. Into this offset the upper millstone sits, the millstone being adjusted laterally with the screws T T.
  • O is a metallic burr, made fast to the shaft S, and provided with spiral grooves and ridges, as shown, so that as it revolves it will, in connection with the casing or lower part of the SAMUEL G. ROLLINS.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)

Description

$.15. RoLLlNs.
Bur Mill.
No. 109,841. .Patented Dec. 6, 1870.
UNITED STATES PATENT OFFICE.'
SAMUEL G. ROLLINS, OF BOSTON, MASSACHUSETTS, ASSIGNOR TO VVIGG, ROLLINS & OO., OF SAME PLAGE.
IMPROVEMENT IN ABURR-MILLS.
Specification forming part of Letters Patent No. 109,841, dated December (i, 1870; nntedated November 30, 1870.
To all whom it may concern.-
Be it known that I, S. G. RoLLINs, of Boston, in the county of Suffolk and State of Massachusetts, have invented certain Improvements in Burr-Mills, of which the following is a specification.
The nature of my invention consists in combining an adjusting device for the lower millstone with a cylindrical casing for the lower gearing, the object being to provide a simple and convenient mode of adjusting and supporting the stone, and also to protect the drivinggearing.
In the drawings, Figure l represents a perspective View of my invention. Fig. 2 represents a vertical section of the same.
I construct my invention as follows:
H and H represent the upper and lower millstones, the upper stone, H, being propelled in the usual manner by the shaft S. The lower end of the shaft S rests in a step upon the lever V, Fig.- l, and is adjusted in the usual manner by the screw-bolt I. The upper end of the shaft S is held by means of the pivot s, attached to the arch R, as shown.
Fand F, Fig. 1, represent the driving-pulley and idler.
W', Fig. 2, represents a beveled gear, which is driven by the shaft K, Fig. l, and which meshes into the beveled gearW, which, acting through the shaft` S, propels the lupper millstone.
The casing D D is provided with an annular offset or shoulder, d e E, Fig. 2. Into this offset the upper millstone sits, the millstone being adjusted laterally with the screws T T.
O is a metallic burr, made fast to the shaft S, and provided with spiral grooves and ridges, as shown, so that as it revolves it will, in connection with the casing or lower part of the SAMUEL G. ROLLINS.
Witnesses:
FRANK G. PARKER, .I As. L. CONANT.
US109841D Improvement in burr-mills Expired - Lifetime US109841A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090193511A1 (en) * 2008-01-30 2009-07-30 Vasco Data Security, Inc. Two-factor usb authentication token

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090193511A1 (en) * 2008-01-30 2009-07-30 Vasco Data Security, Inc. Two-factor usb authentication token

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