US1384848A - Logging-carriage - Google Patents

Logging-carriage Download PDF

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Publication number
US1384848A
US1384848A US434281A US43428120A US1384848A US 1384848 A US1384848 A US 1384848A US 434281 A US434281 A US 434281A US 43428120 A US43428120 A US 43428120A US 1384848 A US1384848 A US 1384848A
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Prior art keywords
carriage
logging
grip
jaws
compartment
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US434281A
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Julius A Pierson
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Individual
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61BRAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B12/00Component parts, details or accessories not provided for in groups B61B7/00 - B61B11/00
    • B61B12/08Cable lubrication

Definitions

  • This invention relates to a logging car riage of that class which is used with logging apparatus in whichcable Ways are employed for the transportation of logs from place to place.
  • One object of the invention is to simplify and improve the construction and operation of the carriage which is employed for conveying the load.
  • a further object of the invention is to provide simple and efiicient means for greasing the cable and lubricating the journals of the sheaves or supporting wheels.
  • a still further object of the invention is to provide means for holding the carriage while the logs are being held at the spar tree which is usually at the top of a steep grade.
  • Fig. 2 is an end elevation thereof parts being shown in section
  • Fig. 3 is a fragmental view showing the construction of the automatic holding device used in connection with the carriage
  • Fig. 4t is a similar view
  • Fig. 5 is an elevational view of one of the gripping jaws.
  • the carriage is preferably formed of the two parallel spaced apart side walls 5 which are suitably connected together by rivets or bolts and may have porof apertures.
  • each plate 5 a frame 6 is arranged around the edge of each plate and may be substantially rectangular in shape and preferably formed from angle iron and is riveted or bolted to each plate.
  • suitable sheaves or supportlng Wheels '7 are provided and are con structed with the stub axles 8 which protrude 1n ournal boxes 9.
  • These journal boxes are provided on each of the plates 5.
  • Each j ournal box 9 is constructed so as to include an upper compartment 10 and a lower compartment 11.
  • the upper compartment 10 is provided with suitable openings so that oil may be inserted therein and this compartment 10 will communicate with the compartment 11 through an aperture or a series
  • the usual waste is packed into the compartment 11 so as to be saturated from the oil in the compartment 10.
  • a journal bearing block 12 is disposed between the upper tank 10 and the stub axle 8 in each lower compartment 11 and is held in place by means of a transverse pin 13 which prevents lateral movement of the block 12. By removing this pin 13 it will be readily seen that this block may be easily removed.
  • Any suitable closure means may be provided for the lower compartment 11 if so desired or it may be left open as is shown at 14c so that the bearing block 12 may be pushed therethrough.
  • a tank 15 is disposed between the plates 5 intermediate the sheaves 7 and is provided with a plurality of fountain brushes 16 which are in communication therewith through pipes 17. These fountain brushes 16 are arranged so as to sweep or brush over the cable 17 and a lubricant will be provided in the tank 15 so that this cable 17 may be greased as is very desirable in a logging apparatus.
  • a suitable swivel 18 is provided to which is attached the hauling rope or cable and in the other corner a pulley 19 is provided for hoisting and lowering the load by means of a rope or cable 20 passingthereover.
  • a plate 21 is provided for supporting a housing 22 which is an extension to the carriage.
  • This housing 22 comprises two spaced apart plates having arcuate slots 23 therein for receiving pins 24 on the plate 21 so that this extension may move pivotally in relation to the plate 21.
  • a sheave 25 is suitably journaled in the extension so as to bear on the cable 17.
  • Am automatic holding device is held in thee;- tension and includes the oppositely disposed housings having slidably mounted therein blocks 31 which form jaws for a purpose which will be later described. These jaws 31 are glidable in, the housings 30 and are normally in engagement with: each other as shown in Fig.
  • a grip or stop 34 is fixed to the cable 17 adjacent the spar tree where it is desired to unload the logs which is usually at the top of a steep incline and as the carriage is moved on the incline it-passes over the grip or stop 34 and it should be noted that this stop 8% has its ends tapered: so that the 'aws 31 are opened as they pass thereover. fter the jaws have completely passed over the stop 34: the carriage will not automatically return to the loading position until it is so desired.
  • This automatic holding device is attached to the carriage through the means of the extension 22 and because of the movable relation of this extension with the carriage the holding device is sure to be inperfect alinement under ll working conditionsand angles of the sky line by meansof the sheaves 25 and the in hejhousing for thepu pose specified.

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Handcart (AREA)

Description

J. A. PIERSON.
LOGGING CARRIAGE.
APPLICATION FILED DEC. 31. 1920.
' Patented July 19, 1921.,
2 SHEETSSHEET I.
J. A. PIEHSON.
LOGGING CARRIAGE.
APPLICATION FILED 050.31, 1-920.
Patented July 19, 1921.
2 SHEETS-SHEET 2.
1/04/06 A. Flt i504 5951 11 /II'i STATES JULIUS A. PIERSON, OF WINLOCK, WASHINGTON.
LOGGING-CARRIAGE.
Specification of Letters Patent.
Patented July 19, 1921.
To all whom it may concern:
Be it known that I, J ULIUS A. PERSON, a citizen of the United States, residing at vVinlock, in the county of Lewis and State of Washington, have invented certain new and useful Improvements in LoggingCarriages, of which the following is a specification.
This invention relates to a logging car riage of that class which is used with logging apparatus in whichcable Ways are employed for the transportation of logs from place to place.
One object of the invention is to simplify and improve the construction and operation of the carriage which is employed for conveying the load.
A further object of the invention is to provide simple and efiicient means for greasing the cable and lubricating the journals of the sheaves or supporting wheels.
A still further object of the invention is to provide means for holding the carriage while the logs are being held at the spar tree which is usually at the top of a steep grade. I
With these and other ends in view which will readily appear as the nature of the invention is better understood, the same consists in the improved construction and novel arrangement and combination of parts which will be hereinafter fully described and particularly pointed out in the claims.
In the accompanying drawings has been illustrated a simple and preferred form of invention, it being, however, understood that no limitation is necessarily made to the precise structural details therein exhibited, but that changes, alterations and modifications within the scope of the claims may be resorted to when desired.
In the drawing Figure 1 is a side elevation of the carriage,
Fig. 2 is an end elevation thereof parts being shown in section,
Fig. 3 is a fragmental view showing the construction of the automatic holding device used in connection with the carriage,
Fig. 4t is a similar view, and
Fig. 5 is an elevational view of one of the gripping jaws.
Referring to the drawings in detail 1t Wlll be seen that the carriage is preferably formed of the two parallel spaced apart side walls 5 which are suitably connected together by rivets or bolts and may have porof apertures.
tions thereof removed for lightening the device if so desired. In order to efficientlv brace the plates 5 a frame 6 is arranged around the edge of each plate and may be substantially rectangular in shape and preferably formed from angle iron and is riveted or bolted to each plate. At the upper corners of the carriage suitable sheaves or supportlng Wheels '7 are provided and are con structed with the stub axles 8 which protrude 1n ournal boxes 9. These journal boxes are provided on each of the plates 5. Each j ournal box 9 is constructed so as to include an upper compartment 10 and a lower compartment 11. The upper compartment 10 is provided with suitable openings so that oil may be inserted therein and this compartment 10 will communicate with the compartment 11 through an aperture or a series The usual waste is packed into the compartment 11 so as to be saturated from the oil in the compartment 10. A journal bearing block 12 is disposed between the upper tank 10 and the stub axle 8 in each lower compartment 11 and is held in place by means of a transverse pin 13 which prevents lateral movement of the block 12. By removing this pin 13 it will be readily seen that this block may be easily removed. Any suitable closure means may be provided for the lower compartment 11 if so desired or it may be left open as is shown at 14c so that the bearing block 12 may be pushed therethrough. A tank 15 is disposed between the plates 5 intermediate the sheaves 7 and is provided with a plurality of fountain brushes 16 which are in communication therewith through pipes 17. These fountain brushes 16 are arranged so as to sweep or brush over the cable 17 and a lubricant will be provided in the tank 15 so that this cable 17 may be greased as is very desirable in a logging apparatus. In one of the lower corners of the frame or carriage a suitable swivel 18 is provided to which is attached the hauling rope or cable and in the other corner a pulley 19 is provided for hoisting and lowering the load by means of a rope or cable 20 passingthereover.
At the end of the carriage in which is provided the pulley wheel 19 a plate 21 is provided for supporting a housing 22 which is an extension to the carriage. This housing 22 comprises two spaced apart plates having arcuate slots 23 therein for receiving pins 24 on the plate 21 so that this extension may move pivotally in relation to the plate 21. A sheave 25 is suitably journaled in the extension so as to bear on the cable 17. Am automatic holding device is held in thee;- tension and includes the oppositely disposed housings having slidably mounted therein blocks 31 which form jaws for a purpose which will be later described. These jaws 31 are glidable in, the housings 30 and are normally in engagement with: each other as shown in Fig. 3 by means of the expansion coil spring 32 which may be suitably tensionedthrough the screws 33. A grip or stop 34:.is fixed to the cable 17 adjacent the spar tree where it is desired to unload the logs which is usually at the top of a steep incline and as the carriage is moved on the incline it-passes over the grip or stop 34 and it should be noted that this stop 8% has its ends tapered: so that the 'aws 31 are opened as they pass thereover. fter the jaws have completely passed over the stop 34: the carriage will not automatically return to the loading position until it is so desired. In the devices now commonly in use when a turn of logs is being hauled in over a steep grade on the sky line and dumped at the sp r t ee he ordinary arr ge always un back by its own weight therebytightening the line Which is to be unhooked. Because of automatic holding device just described the carriage will beheld in position I when; the load; is: dropped thereby allowing 35 enough slack theiline for unhooking. hen the carriage comes in with a loadthe sudden pressure against the grip causes the jaws ch a h ld pre se against each other bymeans of the springs 32,, to open and thenagain close when the jaws have passed over the grip, After the carriage has come to a stop and runs back .to the grip it will not have suflicient momentum to cause the jaws to open and it will require the pull of the back line to release the carriage from the grip, As the jaws hit the stop or grip the carriage comes momentarily to a stop thus preventing the whole carriage from passing over the grip. This automatic holding device is attached to the carriage through the means of the extension 22 and because of the movable relation of this extension with the carriage the holding device is sure to be inperfect alinement under ll working conditionsand angles of the sky line by meansof the sheaves 25 and the in hejhousing for thepu pose specified.
2, In combination a logging carnage, a.
housing pivotally associated therewith, a sheave j ournaled 1n the housing, a pair of oppositely disposed blocks carried slidably in the housing, means for holding the blocks normally in engagement with GilChjOll'hfiFr In testlmony whereof I aflix my signature in presence of two Wll I GSSQS;
JULIUS AQPiERSON, Witnesses a i I NEWELL L. WRIGHT, ALICE A. WRIGHT.
US434281A 1920-12-31 1920-12-31 Logging-carriage Expired - Lifetime US1384848A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10604163B2 (en) * 2016-10-17 2020-03-31 Poma Device and method for repositioning the carrying cable of a cableway installation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10604163B2 (en) * 2016-10-17 2020-03-31 Poma Device and method for repositioning the carrying cable of a cableway installation

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