US1580771A - Device for lining of crosshead guide shoes - Google Patents
Device for lining of crosshead guide shoes Download PDFInfo
- Publication number
- US1580771A US1580771A US56780A US5678025A US1580771A US 1580771 A US1580771 A US 1580771A US 56780 A US56780 A US 56780A US 5678025 A US5678025 A US 5678025A US 1580771 A US1580771 A US 1580771A
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- United States
- Prior art keywords
- shoe
- core plate
- frame
- lining
- guide
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/08—Casting in, on, or around objects which form part of the product for building-up linings or coverings, e.g. of anti-frictional metal
- B22D19/085—Casting in, on, or around objects which form part of the product for building-up linings or coverings, e.g. of anti-frictional metal of anti-frictional metal
Definitions
- This invention relates to a device for facilitating the lining of crosshead guide shoes with Babbitt metal or the like hearing material.
- the cross heads of steam locomotives embody guide shoes which reciprocate on guide rails, and in order to reduce friction and insure extended periods of useful service for the shoes, they are lined on their hearing surfaces with some suitable bearing material, such as Babbitt metal.
- the primary object of the present invention is to provide a simple durable and thoroughly reliable device for facilitating the application of the bearing material to cross head guide shoes.
- A. further object is to provide a device of the above kind by means of which the bearing material may be applied on thebearing surfaces of the shoes in a uniform manner and accurately as to thickness so that no subsequent trimming or machinery operation is required to prepare the shoes for use.
- a still further object is to provide a device of the above kind embodying a core plate adapted to be supported between the side or longitudinal guide flanges of a cross head guide shoe, said core plate being adjustable in width so that its side edges may be positioned the required distance from said guide flanges for accurately forming the bearing material of the required thickness on the inner faces of'said flanges.
- Another object is to provide means for supporting and retaining the shoe and core plate in proper spaced relation so thatv the bearing material will be applied to the bottom surface of the shoe between the flanges of the latter at the proper thickness.
- Still another object is to provide means to. adjust the shoelaterally relative to the core plate so that the guide flanges of the shoe may be positioned the same distance from the side edges of the core plate to secure similar thickness of the bearing material on said flanges.
- Figure l is a side elevational view of a device for facilitating the lining of cross head guide shoes constructed in accordance with the present invention and having a cross head guide shoe operatively disposed therein,
- Figure 2 is an end elevational view of the device shown in Figure 1
- Figure 3 is a top plan view thereof
- Figure 4 is, a substantially central longitudinal sectional view of the device shown in Figure 1, p i
- Figure 5 is a transverse section taken substantially upon line 55 of' Figure 3,
- Figure 6 is a view similar to Figure 5 taken upon line 6-6 of Figure 3, and
- Figure 7 is a fragmentary plan view showing an end portion of the device with Referring more in detail to the drawings, the present invention embodies a rigid rectangular frame composed of guide members 5 and end members 6.
- the frame may also embody a bottom wall 7 for strengthening purposes, and said frame is adapted for supporting reception of the usual cross head guide shoe 8, the side portions of whichare adapted to rest upon the upper edges of the side frame members 5 as shown in Figures 5 so that the shoe 18' supported with its side guide flanges 9 projecting upwardly;
- the frame is slightly longer than the guide shoe 8, and the end membersB have their upper edges in a horizontal plane slightly above the plane of the bottom bearing sur face of the shoe 8 when the latter is supported by the side frame members 5 as shown.
- a core plate composed of sections 10 and 11 is adapted to be disposed between the guide flanges 9 of the guide shoe with its ends resting upon the upper edges of the end frame members 6 so that the core plate issupported with its bottom surface in slightly spaced relation to the bottom bear ing surface of the guide shoe as clearly shown in Figure 4.
- the core plate is divided on an oblique line as indicated at 12 to provide the sections 10 and 11, and the latter are slidably connected for relative longitudinal displacement along these oblique edges by means of a dove tail tongue and groove joint as generally indicated at 13.
- the width of the core plate may be increased or decreased as desired so as to position the side edges of the core plate the required distance from the inner faces of the side flanges 9 of the cross head shoe 8.
- Pairs of transversely aligned nuts 14 are suitably journaled or swiveled upon transverse axes in the side frame members 5, and having threaded engagement with these nuts are screws 15 arranged to have their inner ends bear against the sides of the cross head.
- the cross head guide shoe may be adjusted or shifted laterally relative to the core plate so that the flange 9 at one side of the shoe is positioned the same distance from the adjacent edge of the core plate as the other flange 9 thereof is positioned from the opposite edge of the. core plate.
- the molten fabric metal or the like may be poured into the space so as to form a uniform lining upon the hearing surfaces of the shoe.
- the core plates may be reduced in width for facilitating removal of the shoe as will become apparent as the description progresses.
- pair of horizontal longitudinally aligned bearing sleeves 16 and 17 are swiveled as at 18 to turn upon vertical. axes, the bearing 16 being swiveled to the core plate section 10, and the bearing 17 being swiveled to the core plates 6 and 11.
- An adjusting screw 19 has one end portion journaled in the bearing 17 and has its other end threaded and in threaded engagement with the bearing 16.
- a handle or knob 20 is secured upon one end of the screw 19 for facilitating turning of the latter, and it is apparent that the screw may be turned for effecting longitudinal displacement of the sections 10 and 11 of the core plate in opposite directions for increasing or decreasing the width of the core plate as found desirable.
- Suitable clamping devices are provided at the ends of the frame for engaging the ends of the core plates so as to rigidly maintain the latter in proper position relative to the guide shoe after being properly adjusted as to width.
- each of these clamping devices embodies a horizontal bar 21 having downwardly and outwardly projecting bearings 22 upon the ends thereof in which the end portions of a horizontal adjusting screw 23 are journaled, said adjusting screw having threaded portions inwardly of the hearing 22 engaging threaded apertures of clamping jaws 24.
- the jaws 24 project inwardly so as to enable the same to grip opposite sides of the adjacent end of thc corn plate as clearly indicated in several of the views, and the jaws also have upwardly pro jecting portions as indicated in Figure 4 which engage the outer edge of the bar 21 so that said jaws are prevented from turning about the screw 23.
- the threaded portions of the screw are respectively of right and left hand character so that when the screw 2?, is turned in one direction separation of the jaws 24 may be had, while rotation of the screw 23 in the opposite direction will effect simultaneous movement of the jaws toward each other into gripping engagement with the sides of the core plate.
- a hand wheel 25 or the like may be fastened upon one end thereof.
- Each end frame member 6 is provided with a pair of upstanding brackets or posts 26 upon which the ends of the bar 21 rest. and these posts 26 have threaded sockets 27 into which are threaded stud bolts 29. which extends and has threaded engagement with the ends of the bar 21. It is thus ap mrcnt that when the stud bolts 29 are tightened, the clamping devices may be rigidly fastened to the ends of the frame in such a manner that removal of said clamping devices with ease and facility may be had.
- the core plate When the lining has been applied to the bearing faces of the shoe as pointed out above, the core plate may be removed after being decreased in width as was also pointed. out above, upon removal of the clamping devices from the ends of the frame by disengaging the thread bolts 28 from the frame post 26. When this is done the clamping devices are separately removed as a unit, and the removal of the core plate is then allowed so that the lined guide shoe may be subsequently removed with facility.
- a device for facilitating lining of cross head guide shoes with hearing material including an open frame having side members adapted for supporting reception of the shoe, a core plate adapted to be positioned between the guide flanges of the shoe, said frame including end members adapted for supporting reception of the ends of the core plate whereby the side and bottom surfaces of'the latter are maintained in spaced relation to the bearing surfaces of the shoe, and clamping devices rigidly secured upon the ends of the frame and including pairs of jaws adapted to grip opposite sides of the ends of the core plate for rigidly m1aintaining the latter in PL'OPO'I position relative to' the shoe.
- a device for facilitating lining of cross licad guide shoes with bearing material including an open frame having side members adapted. for supporting reception of the shoe, a core plate adapted to be positioned between the guide flanges of the shoe, said frame including end members adapted for supporting reception of the ends of the core plate whereby the side and bottom surfaces of the latter are maintained in spaced relation to the bearing surfaces of the shoe, and clamping devices mounted upon the ends of the frame and including pairs of jaws adapted to grip opposite sides .of the ends of the core plate for rigidly maintaining the latter in proper position relative to the shoe, and means for removably rigidly securing the clamping devices to the frame.
- a device for facilitating lining of cross head guide shoes with bearing material including an open frame having side members adapted for supporting reception of the shoe, a core plate adapted tobe positioned between the guide flanges of the shoe, said frame including end members adapted for supporting reception of the ends of the core plate whereby the side and bottom surfaces of the latter are maintained in spaced relation to the bearing surfaces of the shoe, and clamping devices mounted upon the ends of the frame and including pairs of jaws adapted to grip the opposite sides of the ends of the core plate for rigidly maintaining the latter in proper position relative to the shoe, and means for removably rigidly securing the clamping devices to the frame, each of said clamping devices embodying a bar having stud screws threaded through the ends thereof, and said frame having pairs of rigid posts upon the ends thereof adapted for supporting reception of the ends of said bars of the clamping devices, said posts having threaded sockets for reception of the stud screws.
- a device for facilitating lining of cross head guide shoes with bearing material including an open frame having side members adapted to be positioned between the guide flanges of the shoe, said frame including end members adapted for supporting reception of the ends of the core plate whereby the side and bottom surfaces of the latter are maintained in spaced relation to the bearing surfaces of the shoe, and means carried by the frame for adjusting the shoe laterally with respect to the core plate.
- a device for facilitating lining of cross head guise shoes with bearing material including an open frame having side members adapted to be positioned between the guide flanges of the shoe, said frame including end members adapted for supporting reception of the ends of the core plate whereby the side and bottom surfaces of the latter are maintained in spaced relation to the bearing surfaces of the shoe, and means carried by the frame for adjusting the shoe laterally with respect to the core plate, said last named means embodying transverse screws carried by the sides of the frame and engageable with the sides of the shoe, and nuts swiveled in the sides of the frame and having threaded engagement with said screws.
- a core plate comprising a plate member divided obliquely from end to end to provide a pair of sections, and manually operable means operatively connecting said sections for simultaneously displacing the same longitudinally in opposite directions for increasing or decreasing the width of the core plate at will.
- a core plate comprising a plate member divided obliquely from end to end to provide a pair of sections, and manually operable means operatively connecting said sections for simultaeously displacing the same 1ongi tudinally in opposite directions for increasing or decreasing the width of the core plate at will, and an interlocking slide joint between the oblique adjacent edges of the core plate sections.
- a device for facilitating lining of cross head guide shoes with hearing material comprising a support adapted for supporting and retaining reception of the shoe, a core plate adapted to be positioned between the guide flanges of the shoe, and means for securing the core plate rigidly relative to the frame and the shoe, said core plate being adjustable in width, and means for adjusting the shoe laterally with respect to the core 115 plate.
- a device for facilitating lining of cross head guide shoes with hearing material including an open frame having side members adapted for supporting reception of the shoe, a core plate adapted to'be positioned between the guide flanges of the shoe, said frame including end members adapted for supporting reception of the ends of the core plate whereby the side and bottom surfaces of the latter are maintained in spaced rela- 125 tion to the bearing surfaces of the shoe, and clamping devices mounted upon the ends of the frame and including pairs of jaws adapted to grip the opposite sides of the ends -of the core plate for rigidly maintaining the bars of the clamping devices, said jaws being adjustable toward and away from each other transversely of the frame and being movable and guided between the bars and the end members of the frame.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
Description
' April 13 1926.
3 Sheets-Sheet 1 Filed Sept. 16,
W J WOOSTER DEVICE FOR LINING 0F CROSSHEAD GUIDE SHOES M'fneaaes 0' and s Sheets-Sheet 2 mi ma mamm- April 13 1926.
- w. J. WOOSTER DEVICE FOR LINING OF CROSSHEAD GUIDE SHOES Filed Sept 16, 1925 Wfz aaes' ms- W W. J. WOQETER DEVICE FOR LINING OF CROSSHEAD GUIDE SHOES ,pril 13 192 Filed Sept. 16, 1925 3 Sheets-Shem 5 Patented Apr. 13, 1926.
WILLIAM J. 'WOQSTER, OF BIG SPRING, TEXAlS.
DEVICE FOR LINING- OF GROSS'HEAD GUIDE SHOES.
Application filed September 16,1925. Serial No. 56,780.
To all whom it may concern:
Be it known that '1, WILLIAM J. Woos'rnn, a citizen ofthe United States, residing at Big Spring, in the county of Howard and State of Texas, have invented certain new and useful Improvements in Devices for Lining of Grosshead Guide Shoes, of which the following is a specification.
This invention relates to a device for facilitating the lining of crosshead guide shoes with Babbitt metal or the like hearing material.
The cross heads of steam locomotives embody guide shoes which reciprocate on guide rails, and in order to reduce friction and insure extended periods of useful service for the shoes, they are lined on their hearing surfaces with some suitable bearing material, such as Babbitt metal.
The primary object of the present invention is to provide a simple durable and thoroughly reliable device for facilitating the application of the bearing material to cross head guide shoes.
A. further object is to provide a device of the above kind by means of which the bearing material may be applied on thebearing surfaces of the shoes in a uniform manner and accurately as to thickness so that no subsequent trimming or machinery operation is required to prepare the shoes for use.
A still further object is to provide a device of the above kind embodying a core plate adapted to be supported between the side or longitudinal guide flanges of a cross head guide shoe, said core plate being adjustable in width so that its side edges may be positioned the required distance from said guide flanges for accurately forming the bearing material of the required thickness on the inner faces of'said flanges.
Another object is to provide means for supporting and retaining the shoe and core plate in proper spaced relation so thatv the bearing material will be applied to the bottom surface of the shoe between the flanges of the latter at the proper thickness.
Still another object is to provide means to. adjust the shoelaterally relative to the core plate so that the guide flanges of the shoe may be positioned the same distance from the side edges of the core plate to secure similar thickness of the bearing material on said flanges. I
Other objectswill become apparent as the parts removed.
nature of the invention is better understood, and the same consists in the novel form, combination and arrangement of parts hereinafter more fully described, shown in the accompanying drawings and claimed.
In the drawings, wherein like reference characters indicate corresponding parts throughoutthe several views,
Figure l is a side elevational view of a device for facilitating the lining of cross head guide shoes constructed in accordance with the present invention and having a cross head guide shoe operatively disposed therein,
Figure 2 is an end elevational view of the device shown in Figure 1,
Figure 3 is a top plan view thereof,
' Figure 4 is, a substantially central longitudinal sectional view of the device shown in Figure 1, p i
Figure 5 is a transverse section taken substantially upon line 55 of' Figure 3,
Figure 6 is a view similar to Figure 5 taken upon line 6-6 of Figure 3, and
Figure 7 is a fragmentary plan view showing an end portion of the device with Referring more in detail to the drawings, the present invention embodies a rigid rectangular frame composed of guide members 5 and end members 6. The frame may also embody a bottom wall 7 for strengthening purposes, and said frame is adapted for supporting reception of the usual cross head guide shoe 8, the side portions of whichare adapted to rest upon the upper edges of the side frame members 5 as shown in Figures 5 so that the shoe 18' supported with its side guide flanges 9 projecting upwardly;
The frame is slightly longer than the guide shoe 8, and the end membersB have their upper edges in a horizontal plane slightly above the plane of the bottom bearing sur face of the shoe 8 when the latter is supported by the side frame members 5 as shown.
A core plate composed of sections 10 and 11 is adapted to be disposed between the guide flanges 9 of the guide shoe with its ends resting upon the upper edges of the end frame members 6 so that the core plate issupported with its bottom surface in slightly spaced relation to the bottom bear ing surface of the guide shoe as clearly shown in Figure 4. The core plate is divided on an oblique line as indicated at 12 to provide the sections 10 and 11, and the latter are slidably connected for relative longitudinal displacement along these oblique edges by means of a dove tail tongue and groove joint as generally indicated at 13. It is thus apparent that by displacing the sections 10 and 11 longitudinally in opposite directions the width of the core plate may be increased or decreased as desired so as to position the side edges of the core plate the required distance from the inner faces of the side flanges 9 of the cross head shoe 8.
Pairs of transversely aligned nuts 14 are suitably journaled or swiveled upon transverse axes in the side frame members 5, and having threaded engagement with these nuts are screws 15 arranged to have their inner ends bear against the sides of the cross head.
It is thus apparent that by sealing the space between the core plate and the shoe at the ends of the latter with mud, wet asbestos or the like, the molten fabric metal or the like may be poured into the space so as to form a uniform lining upon the hearing surfaces of the shoe. When the metal has sufiiciently cooled the core plates may be reduced in width for facilitating removal of the shoe as will become apparent as the description progresses.
pair of horizontal longitudinally aligned bearing sleeves 16 and 17 are swiveled as at 18 to turn upon vertical. axes, the bearing 16 being swiveled to the core plate section 10, and the bearing 17 being swiveled to the core plates 6 and 11. An adjusting screw 19 has one end portion journaled in the bearing 17 and has its other end threaded and in threaded engagement with the bearing 16. A handle or knob 20 is secured upon one end of the screw 19 for facilitating turning of the latter, and it is apparent that the screw may be turned for effecting longitudinal displacement of the sections 10 and 11 of the core plate in opposite directions for increasing or decreasing the width of the core plate as found desirable.
Suitable clamping devices are provided at the ends of the frame for engaging the ends of the core plates so as to rigidly maintain the latter in proper position relative to the guide shoe after being properly adjusted as to width. As shown, each of these clamping devices embodies a horizontal bar 21 having downwardly and outwardly projecting bearings 22 upon the ends thereof in which the end portions of a horizontal adjusting screw 23 are journaled, said adjusting screw having threaded portions inwardly of the hearing 22 engaging threaded apertures of clamping jaws 24. The jaws 24 project inwardly so as to enable the same to grip opposite sides of the adjacent end of thc corn plate as clearly indicated in several of the views, and the jaws also have upwardly pro jecting portions as indicated in Figure 4 which engage the outer edge of the bar 21 so that said jaws are prevented from turning about the screw 23. The threaded portions of the screw are respectively of right and left hand character so that when the screw 2?, is turned in one direction separation of the jaws 24 may be had, while rotation of the screw 23 in the opposite direction will effect simultaneous movement of the jaws toward each other into gripping engagement with the sides of the core plate. For facilitating turning of the screw 23, a hand wheel 25 or the like may be fastened upon one end thereof. Each end frame member 6 is provided with a pair of upstanding brackets or posts 26 upon which the ends of the bar 21 rest. and these posts 26 have threaded sockets 27 into which are threaded stud bolts 29. which extends and has threaded engagement with the ends of the bar 21. It is thus ap mrcnt that when the stud bolts 29 are tightened, the clamping devices may be rigidly fastened to the ends of the frame in such a manner that removal of said clamping devices with ease and facility may be had.
When the lining has been applied to the bearing faces of the shoe as pointed out above, the core plate may be removed after being decreased in width as was also pointed. out above, upon removal of the clamping devices from the ends of the frame by disengaging the thread bolts 28 from the frame post 26. When this is done the clamping devices are separately removed as a unit, and the removal of the core plate is then allowed so that the lined guide shoe may be subsequently removed with facility.
From the foregoing description it is believed that the construction and operation as well as the advantages of the present in vention will be readily understood and appreciated by those skilled in the art.
Minor changes may be made without departing from the spirit and scope of the invention as claimed.
What I claim as new is:
1. A device for facilitating lining of cross head guide shoes with hearing material including an open frame having side members adapted for supporting reception of the shoe, a core plate adapted to be positioned between the guide flanges of the shoe, said frame including end members adapted for supporting reception of the ends of the core plate whereby the side and bottom surfaces of'the latter are maintained in spaced relation to the bearing surfaces of the shoe, and clamping devices rigidly secured upon the ends of the frame and including pairs of jaws adapted to grip opposite sides of the ends of the core plate for rigidly m1aintaining the latter in PL'OPO'I position relative to' the shoe.
2. A device for facilitating lining of cross licad guide shoes with bearing material including an open frame having side members adapted. for supporting reception of the shoe, a core plate adapted to be positioned between the guide flanges of the shoe, said frame including end members adapted for supporting reception of the ends of the core plate whereby the side and bottom surfaces of the latter are maintained in spaced relation to the bearing surfaces of the shoe, and clamping devices mounted upon the ends of the frame and including pairs of jaws adapted to grip opposite sides .of the ends of the core plate for rigidly maintaining the latter in proper position relative to the shoe, and means for removably rigidly securing the clamping devices to the frame.
3. A device for facilitating lining of cross head guide shoes with bearing material including an open frame having side members adapted for supporting reception of the shoe, a core plate adapted tobe positioned between the guide flanges of the shoe, said frame including end members adapted for supporting reception of the ends of the core plate whereby the side and bottom surfaces of the latter are maintained in spaced relation to the bearing surfaces of the shoe, and clamping devices mounted upon the ends of the frame and including pairs of jaws adapted to grip the opposite sides of the ends of the core plate for rigidly maintaining the latter in proper position relative to the shoe, and means for removably rigidly securing the clamping devices to the frame, each of said clamping devices embodying a bar having stud screws threaded through the ends thereof, and said frame having pairs of rigid posts upon the ends thereof adapted for supporting reception of the ends of said bars of the clamping devices, said posts having threaded sockets for reception of the stud screws.
t. A device for facilitating lining of cross head guide shoes with bearing material including an open frame having side members adapted to be positioned between the guide flanges of the shoe, said frame including end members adapted for supporting reception of the ends of the core plate whereby the side and bottom surfaces of the latter are maintained in spaced relation to the bearing surfaces of the shoe, and means carried by the frame for adjusting the shoe laterally with respect to the core plate.
5. A device for facilitating lining of cross head guise shoes with bearing material including an open frame having side members adapted to be positioned between the guide flanges of the shoe, said frame including end members adapted for supporting reception of the ends of the core plate whereby the side and bottom surfaces of the latter are maintained in spaced relation to the bearing surfaces of the shoe, and means carried by the frame for adjusting the shoe laterally with respect to the core plate, said last named means embodying transverse screws carried by the sides of the frame and engageable with the sides of the shoe, and nuts swiveled in the sides of the frame and having threaded engagement with said screws.
6. In 'a device for facilitating lining of cross head guide shoes with hearing material, a core plate comprising a plate member divided obliquely from end to end to provide a pair of sections, and manually operable means operatively connecting said sections for simultaneously displacing the same longitudinally in opposite directions for increasing or decreasing the width of the core plate at will.
7. In a device for facilitating lining of cross head guide shoes with hearing material, a core plate comprising a plate member divided obliquely from end to end to provide a pair of sections, and manually operable means operatively connecting said sections for simultaeously displacing the same 1ongi tudinally in opposite directions for increasing or decreasing the width of the core plate at will, and an interlocking slide joint between the oblique adjacent edges of the core plate sections.
8. A device for facilitating lining of cross head guide shoes with hearing material comprising a support adapted for supporting and retaining reception of the shoe, a core plate adapted to be positioned between the guide flanges of the shoe, and means for securing the core plate rigidly relative to the frame and the shoe, said core plate being adjustable in width, and means for adjusting the shoe laterally with respect to the core 115 plate.
9. A device for facilitating lining of cross head guide shoes with hearing material including an open frame having side members adapted for supporting reception of the shoe, a core plate adapted to'be positioned between the guide flanges of the shoe, said frame including end members adapted for supporting reception of the ends of the core plate whereby the side and bottom surfaces of the latter are maintained in spaced rela- 125 tion to the bearing surfaces of the shoe, and clamping devices mounted upon the ends of the frame and including pairs of jaws adapted to grip the opposite sides of the ends -of the core plate for rigidly maintaining the bars of the clamping devices, said jaws being adjustable toward and away from each other transversely of the frame and being movable and guided between the bars and the end members of the frame.
In testimony whereof I affix my signature.
VILLIAM J. W OOSTER.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US56780A US1580771A (en) | 1925-09-16 | 1925-09-16 | Device for lining of crosshead guide shoes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US56780A US1580771A (en) | 1925-09-16 | 1925-09-16 | Device for lining of crosshead guide shoes |
Publications (1)
Publication Number | Publication Date |
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US1580771A true US1580771A (en) | 1926-04-13 |
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ID=22006537
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US56780A Expired - Lifetime US1580771A (en) | 1925-09-16 | 1925-09-16 | Device for lining of crosshead guide shoes |
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US (1) | US1580771A (en) |
-
1925
- 1925-09-16 US US56780A patent/US1580771A/en not_active Expired - Lifetime
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