US417918A - Stone-crusher - Google Patents

Stone-crusher Download PDF

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US417918A
US417918A US417918DA US417918A US 417918 A US417918 A US 417918A US 417918D A US417918D A US 417918DA US 417918 A US417918 A US 417918A
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shaft
stone
crusher
jaw
plate
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C1/00Crushing or disintegrating by reciprocating members
    • B02C1/02Jaw crushers or pulverisers
    • B02C1/04Jaw crushers or pulverisers with single-acting jaws

Definitions

  • WITNESSES k INVENTOR: MQ 4JM I I ATTORNEYS.
  • movable jaw the latter being mounted eccentrically on a rotating shaft.
  • Figure 1 is a sectional plan view of my i-m-' proved stone-crushing machine, the view being taken in partial section on line as :r of Fig. 2,part of the movable jaw and its facingplate and a part of one of the main standards being broken away,
  • Fig. 2 is a sectional elevation taken on the broken line .2 z of Fig. 1, parts of the facing-plates of the two jaws being broken away; and Fig. 3 is a longitudinal sectional elevation of the machine, the View being taken on line y y of Fig. 2. Fig. 4 is a side View of the eccentric-shaft of the machine.
  • 10 is the base-frame of the machine, to which there are bolted two vertical side plates 11 and two main standards 12. These standards are formed with vertical slots 13 and horizontal slots 14, the slots 13 serving as ways for ribs 15, which are formed 011 the rear blocks 16, which blocks constitute sections of the journal-bearings of the driving-shaft 17, the outer sections 16" of said bearings being bolted to the blocks by bolts l8,wl1ich extend to the rear through the slots 14, there to be engaged by nuts l9,which bear against washers 20.
  • the ribs or flanges 15 are formed with vertical threaded apertures that are engaged by adjusting-screws 21,which bear against the lower defining-walls of the recesses 13, the arrangement being such that by turning the screws 21 the shaft 17 may be raised or lowered.
  • the central section of the shaft 17 between the posts 12 is eccentric, as shown at 22. Upon this eccentric portion of the shaft there is mounted a when the shaft revolves a kind of wabbling motion is imparted to the block or jaw 23.
  • the forward face of the block 23 is circular, and upon this circular face there is mounted a heavy steel facing-plate 26,which is held to the block by tap-bolts, the heads of which rest in countersunk recesses' formed in the plate 26, and in practice it will probably be found to be desirable that the block should be formed with projections 2,which enter correspondingly-shaped recesses formed in the inner circumferential face of the plate, as shown.
  • the block 23 and its plate 26 constitute the movable jaw of the crusher, and this jawoperates in connection with a fixed jaw-made up of a concave and corrugated faced plate 27 ,which fits between shoulders 3 and 4, formed in the side plates 11, and is strengthened by a back 28, that is bolted to said side plates.
  • the combinationgvith a fixed jaw, of a movable jaw anda drivingshaft formed with an eccentric section, the axis of which is at an angle to that of the shaft journals, the movable jaw being mounted npon said eccentric section, substantially as described.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)

Description

(No Model.) 4 Sheets8heet 1. W. HpI-IOWLAND.
STONE GRUSHBR. v No. 417,918. PatentedDec. 24, 1889.
INVENTOR ZM/fiflM BY ATTORNEYS.
(No Model.) 4 Sheets-Sheet; 2
w. HTH OWLAND. STONE GRUSHER.
No.,@417,918. Patented Dec. 24, 1889.
WITNESSES: k INVENTOR: MQ 4JM I I ATTORNEYS.
N, PETERS wmwum mhw. Wasfumgwn, c. c.
4 Sheets-Sheet 8.
(No Model.
W. H. HOWLAND. STONE GRUSHER. No. 417,918. Patented Dec 24, 1889.
[II H ll 1 K 1* INV'EN k WITNESSES: QZMA. mM W/W agwwfi v g ATTORNEYS.
, (No Model.)
W. H. HOWLAND.
4 Sheets-Sheet 4.
STONE GRUSHER.
\ Patented -D60. 24, 1889.
llVVE/VTOR:
2 UNITED STATES PATENT 1 OFFICE.)
WVILLIAM I-I. HOW'LAND, OF BERGENFIELI), NIHV JERSEY.
STON E-CRUSHER.
SPECIFICATION forming part of Letters Patent No. 417,918, dated December 24, 1889. I
Application filed March 5, 1888. 'Serial No. 266,162. (No model.) 2
movable jaw, the latter being mounted eccentrically on a rotating shaft.
The improvements will be hereinafter pointed out.
Reference is to be had to the accompanying drawings, forming a part of this specification, in which similar figures of reference indicate corresponding parts in all the views.
Figure 1 is a sectional plan view of my i-m-' proved stone-crushing machine, the view being taken in partial section on line as :r of Fig. 2,part of the movable jaw and its facingplate and a part of one of the main standards being broken away,
Fig. 2 is a sectional elevation taken on the broken line .2 z of Fig. 1, parts of the facing-plates of the two jaws being broken away; and Fig. 3 is a longitudinal sectional elevation of the machine, the View being taken on line y y of Fig. 2. Fig. 4 isa side View of the eccentric-shaft of the machine.
In the drawings, 10 is the base-frame of the machine, to which there are bolted two vertical side plates 11 and two main standards 12. These standards are formed with vertical slots 13 and horizontal slots 14, the slots 13 serving as ways for ribs 15, which are formed 011 the rear blocks 16, which blocks constitute sections of the journal-bearings of the driving-shaft 17, the outer sections 16" of said bearings being bolted to the blocks by bolts l8,wl1ich extend to the rear through the slots 14, there to be engaged by nuts l9,which bear against washers 20. The ribs or flanges 15 are formed with vertical threaded apertures that are engaged by adjusting-screws 21,which bear against the lower defining-walls of the recesses 13, the arrangement being such that by turning the screws 21 the shaft 17 may be raised or lowered. The central section of the shaft 17 between the posts 12 is eccentric, as shown at 22. Upon this eccentric portion of the shaft there is mounted a when the shaft revolves a kind of wabbling motion is imparted to the block or jaw 23. The forward face of the block 23 is circular, and upon this circular face there is mounted a heavy steel facing-plate 26,which is held to the block by tap-bolts, the heads of which rest in countersunk recesses' formed in the plate 26, and in practice it will probably be found to be desirable that the block should be formed with projections 2,which enter correspondingly-shaped recesses formed in the inner circumferential face of the plate, as shown. The block 23 and its plate 26 constitute the movable jaw of the crusher, and this jawoperates in connection with a fixed jaw-made up of a concave and corrugated faced plate 27 ,which fits between shoulders 3 and 4, formed in the side plates 11, and is strengthened by a back 28, that is bolted to said side plates.
To the rear of the block 23 there are ar,- ranged projections 30, which extend inward from the side plates, and theseprojections serve as stops to limit the movement of the block -that is to say, the block 23 comes in contact with the said stops when carried inward or back by the rotation of the shaft. Between the side plates 11, and above the standards 12,- I arrange a deflecting-plate 31,
upon which the material to be operated upon 7 ward the plate 27,while the other end will be carried from said plate, this movement continuing for half a revolution of the shaft, after which the end which was approaching the plate 27 will recede therefrom and the opposite end will approach the plate 27, the stone between the two jaws being thus sub jected to a constantly-varying pressure, and the pressure upon the shaft being distributed gradually from end to end. 7
Having thus fully described my invention, I claim as new and desire to secure by Letters Patent 1. In a stone-crusher, the combination,with a fixed jaw, of a movable jaw and a drivingshaft formed with a section, the axis of which is at an angle to that of the shaft, the movable jaw being mounted upon said section, substantially as shown and described.
2. In astone-crusher, the combinationgvith a fixed jaw, of a movable jaw anda drivingshaft formed with an eccentric section, the axis of which is at an angle to that of the shaft journals, the movable jaw being mounted npon said eccentric section, substantially as described.
3. In astone-crusher, the combination,with a fixed jaw, of an adjust-ably-mounted driving-shaft formed with an eccentric section, the axis of which is at an angle to that of the journals of the shaft, and a movable jaw tially as described.
4. In a stone-crusher, the combination,with a fixed jaw, of a driving-shaft formed with an eccentric section, the axis of which is at an angle to that of the journals of the shaft, bearings in which said shaft is mounted, adjusting-screws arranged in connection with the said bearings, and a movable jaw mounted upon the eccentric section of the driving-shaft, substantially as described.
5. In a stone-crusher, the combination,with the corrugated fixed concave jaw, the corrugated movable convex jaw, the shaft having a middle eccentric section which is arranged at an angle to the-other parts thereof, and movable bearingsin which the said shaft is mounted, of the screws 21-and bolts 18, arranged vertically and horizontally in connection with the said bearings, as shown and described, to operate as specified.
6. In a stone-crusher, the combination of a coneaved fixed jaw, a vertical standard 12, the convex-faced movable jaw having a vertical rear side, the shaft having an eccentric middle section arranged at an angle to the shaft upon which said movable j awis mounted, and the stops 30, arranged between the movable jaw and standard, as shown and described.
WILLIAM H. HOWLAND.
itiiessesz EDWARD KENT, jr.-, 0. SEDGWICK.
US417918D Stone-crusher Expired - Lifetime US417918A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090205121A1 (en) * 2008-02-14 2009-08-20 Cheng Chung Wai Paul Splash guard for above-ground swimming pool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090205121A1 (en) * 2008-02-14 2009-08-20 Cheng Chung Wai Paul Splash guard for above-ground swimming pool

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