US858641A - Gage attachment for veneer-mills. - Google Patents

Gage attachment for veneer-mills. Download PDF

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Publication number
US858641A
US858641A US1906326902A US858641A US 858641 A US858641 A US 858641A US 1906326902 A US1906326902 A US 1906326902A US 858641 A US858641 A US 858641A
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Prior art keywords
shaft
pulley
veneer
mills
weight
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Charles F Whisler
John R Whitney
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
    • B26D1/143—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a stationary axis
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/647—With means to convey work relative to tool station
    • Y10T83/6492—Plural passes of diminishing work piece through tool station
    • Y10T83/6499—Work rectilinearly reciprocated through tool station
    • Y10T83/6508—With means to cause movement of work transversely toward plane of cut

Definitions

  • This invention relates to improvements in gage atl tachrnents for veneer mills.
  • the object of the invention is to provide a gage of this character by means of which sheets of veneer may be sawed at precisely the same thickness and by means of which the thickness of the veneer may be varied without the necessity of stopping the carriage.
  • a further object of the invention is to provide a gage device of this character by means of which the necessity of the usual graduated dial is obviated, and to provide a gage which will be simple, strong and durable in construction, easy to operate and by the use of which a great saving of time is provided.
  • FIG. 1 is a side view of a portion of a veneer saw mill, showing the application of the invention thereto;
  • Fig. 2 is an end elevation of the same, partly in section;
  • Fig. 3 is a vertical sectional view on an enlarged scale of a portion of the supporting frame having the invention applied thereto.
  • 1 denotes the main supporting'frame or body of the machine, upon which is slidably mounted a log or block carrying mechanism or carriage 2, upon which is mounted a block of veneer to be sawed.
  • the carriage 2 is pro* vided with the usual stay-log securing device having clamps or dogs for holding the block or flitch to be sawed.
  • a sprocket gear 9 On the other end of the shaft 4 is lixedly mounted a sprocket gear 9, said gear being connected by a sprocket chain 10 with a sprocket gear 12 fixedly mounted on one end of a threaded adjusting screw or shaft 13, which is journaled in suitable bearings on the forward end of the carriage and is adapted to work in suitable pivotal connections on the stay-log, whereby the latter and the flitch secured thereto may be moved back and forth from and toward the saw.
  • These parts may be of the usual or any desired construction and form no part of the present invention.
  • a loose pulley 14 mounted on the shaft 4 is a loose pulley 14, and on one side thereof and in engagement therewith is mounted a clamping collar 15, said collar being adjustably secured on the shaft 4 by means of a set screw or other fastening device.
  • a friction clutch 16 On the shaft 4 adjacent to the other side of the pulley 14 is arranged a friction clutch 16, said clutch comprising a clamping collar or plate 17, which is provided with an annular groove 18 and which is nor mally held in frictonal engagement with the side of the pulley by a coil spring 19.
  • One ond of the spring 19 is adapted to bear against the plate 17 while its other end engages a collar 20 which is adjustably secured to the shaft 4 by means of a set screw or other fastening device.
  • a shifting lever 22 Secured to one of the uprights or standards 3 is a horizontal inwardly-projecting bearing bracket 21, in the inner end of which is pivotally mounted a shifting lever 22.
  • the inner end of the lever 22 is bifurcated or forked as shown at 23, and is adapted to engage an annular groove 18 in the clamping plate 17, as shown.
  • the opposite end of the lever 22 projects forwardly beyond the end of the carriage and is provided with a handle by means of which the same is operated to engage and disengage the clamping plate 17 from the loose pulley, thereby locking or unlocking the same into and out of engagement with the shaft 4.
  • a horizontally disposed cross bar 24 Secured to the uprights or standards 3 at the forward end of the carriage is a horizontally disposed cross bar 24, to which is secured a vertically disposed guide frame 25, in which is slidably mounted a weight 26.
  • the weight 26 is connected to the lower end of a strap 27, the other or upper end of which is connected to and adapted to be wound upon the loose pulley 14' 'when the same is locked into engagement with and turned by the shaft 4.
  • On the guide frame 25 is arranged a stop 28, by means of which the up movement of the weight'26 is limited.
  • the stop 28 is preferably in the form of a clamp and is adapted to be held in adjusted positions upon the frame 25 by means of a set or clamping screw 29.
  • the pulley 14 which is normally locked to the shaft 4 by the spring clutch device 16 will also be turned and will wind upon the strap 27 and raise the weight 26 until the same is brought into engagement with the stop 28, by means of which further upward movement of the weight is prevented and the movement of the shaft 4 and the parts driven thereby stopped, thus limiting the eed of the stay-log and tiitch and providing for the accurate adjustment and the cutting of each successive veneer.
  • the movement oi the stay log and flitch may be varied by the adjustment oi the stop 28, as will be understood, thereby providing for the cutting of veneers oi any desired thickness.
  • the clutch device 16 may be actuated to release the pulley 14, thereby permitting the Weight to drop back to its'normal position.
  • a gage attachment 'for veneer saw mills having standards carrying a feed screw operating shaft said attachment comprising a pulley loosely mounted on the feed screw adjusting shaft of the mill, a clamping plate adapt ed to lock said pulley into engagement with said shaft, a spring to normally hold said clamp into engagement with the pulley, a shifting lever to disengage said clamping plate from the pulley, a strap having one end secured to and adapted to be wound upon said pulley, a Weight on the opposite end of said strap, a vertically-disposed guide frame adjacent to said Standards in which the weight is guided, a stop clamp arrangedin the path olf said weight. and means to hold said stop in adjusted position upon said frame, whereby the upward lnovelnent oi' the weight may be limited and the movement of said screw adjusting shaft regulated, substantially as described.
  • a gage attachment for veneer saw mills comprising a pulley loosely mounted 011 the feed screw adjusting shaft of the mill, a iixed collar adapted to engage one side of said pulley, a siidably mounted clamping platel or collar adapted to engage the opposite side of said pulley and to frictionally lock the same into engagement', with the shaft, a spring to normally hold said clampingl plate in locking.:l engagement with said pulley, an adjustable stop collar tu adjust the tension of said spring. a shifting,r lever to dis engage the clamping plate from the pulley.
  • a verticallydisposed guide frame arranged 011 the carriage ol' the mili, a weight siidably mounted in said guide frame, a strap connected at its lower end to said weight and adapted to he wound upon said pulley when driven by said shaft, n guide roller to support the upper end of sai'd Istrap, a stop clamp arranged on said frame in the path of Inovement of the weight, and a set screw adapted to hold said stop clamp in adjusted positions, thereby limiting;l the upY ward movement of the weight und thus regulating the movement of the adjusting shaft and feed screw oi' the machine, substantially as described.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Wood Veneers (AREA)

Description

y No. 858.641. l PATENTEDYJULY 2. 1907.
c. F. WHISLBR & LR. WHITNEY. GAGE ATTAGHMENT'FOR VENBER MILLs.
APPLIUATIN'FILED J'ULY19. 1906.
2 SHEETS-SHEET 1.
3mm/wow PATENTED JULY 2, 1907. C. P. WHISLERAYl JLB.. WHITNEY. l GAGE ATTACHMENT POR VENEER MILLS.
Nvo. 858,641.
APPLICATION FILED JULY 19. 1906.
CHARLES F. WHISLER AND JOHN R. WHITNEY,OF HILLSBORO, OHIO.
GAGE ATTACHMENT FOR VENEER-MILLS.
Specification of Letters Patent.
Eatented July 2, 1907.
Application filed J'uly 19, 1906. Serial No. 326,902.
To all 'whom ft may concern:
Be it known that we, CHARLES F. WHIsLER and JOHN R. WHITNEY, citizens of the United States, residing at Hillsboro, in the county of Highland and State of Ohio, have invented certain new and useful Improvements in Gage Attachments for Veneer-Mills; and we` do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.
This invention relates to improvements in gage atl tachrnents for veneer mills.
The object of the inventionis to provide a gage of this character by means of which sheets of veneer may be sawed at precisely the same thickness and by means of which the thickness of the veneer may be varied without the necessity of stopping the carriage.
A further object of the invention is to provide a gage device of this character by means of which the necessity of the usual graduated dial is obviated, and to provide a gage which will be simple, strong and durable in construction, easy to operate and by the use of which a great saving of time is provided.
With the above and other objects in view, the invention consists of certain novel features of construction, combination and arrangement of parts, as will be hereinafter described and claimed.
In the accompanying drawingsz-Figure 1 is a side view of a portion of a veneer saw mill, showing the application of the invention thereto; Fig. 2 is an end elevation of the same, partly in section; and Fig. 3 is a vertical sectional view on an enlarged scale of a portion of the supporting frame having the invention applied thereto.
Referring more particularly to the drawings, 1 denotes the main supporting'frame or body of the machine, upon which is slidably mounted a log or block carrying mechanism or carriage 2, upon which is mounted a block of veneer to be sawed. The carriage 2 is pro* vided with the usual stay-log securing device having clamps or dogs for holding the block or flitch to be sawed.
On the opposite ends of the carriage are secured upwardly-projecting bearing standards 3, in the upper ends of which are mounted transversely-disposed shafts 4 and 5. On one end of the forward shaft 4 is mounteda pulley or a sprocket wheel 6, the former being shown in the present instance. The pulley is provided with a groove to receive an endless operating rope or cable 7, said cable 'passing around a similar pulley 8 mounted on the shaft 5 in the bearing standards at the rear end of the machine. On the other end of the shaft 4 is lixedly mounted a sprocket gear 9, said gear being connected by a sprocket chain 10 with a sprocket gear 12 fixedly mounted on one end of a threaded adjusting screw or shaft 13, which is journaled in suitable bearings on the forward end of the carriage and is adapted to work in suitable pivotal connections on the stay-log, whereby the latter and the flitch secured thereto may be moved back and forth from and toward the saw. These parts may be of the usual or any desired construction and form no part of the present invention.
Mounted on the shaft 4 is a loose pulley 14, and on one side thereof and in engagement therewith is mounted a clamping collar 15, said collar being adjustably secured on the shaft 4 by means of a set screw or other fastening device. On the shaft 4 adjacent to the other side of the pulley 14 is arranged a friction clutch 16, said clutch comprising a clamping collar or plate 17, which is provided with an annular groove 18 and which is nor mally held in frictonal engagement with the side of the pulley by a coil spring 19. One ond of the spring 19 is adapted to bear against the plate 17 while its other end engages a collar 20 which is adjustably secured to the shaft 4 by means of a set screw or other fastening device. By adjusting the collar 20 on the shaft 4, the tension of the spring 19 may be regulated.
Secured to one of the uprights or standards 3 is a horizontal inwardly-projecting bearing bracket 21, in the inner end of which is pivotally mounted a shifting lever 22. y The inner end of the lever 22 is bifurcated or forked as shown at 23, and is adapted to engage an annular groove 18 in the clamping plate 17, as shown. The opposite end of the lever 22 projects forwardly beyond the end of the carriage and is provided with a handle by means of which the same is operated to engage and disengage the clamping plate 17 from the loose pulley, thereby locking or unlocking the same into and out of engagement with the shaft 4.
Secured to the uprights or standards 3 at the forward end of the carriage is a horizontally disposed cross bar 24, to which is secured a vertically disposed guide frame 25, in which is slidably mounted a weight 26. The weight 26 is connected to the lower end of a strap 27, the other or upper end of which is connected to and adapted to be wound upon the loose pulley 14' 'when the same is locked into engagement with and turned by the shaft 4. On the guide frame 25 is arranged a stop 28, by means of which the up movement of the weight'26 is limited. The stop 28 is preferably in the form of a clamp and is adapted to be held in adjusted positions upon the frame 25 by means of a set or clamping screw 29.
In practice, when it is desired to adjust the stay-log and itch to the proper position for sawing the veneer the cable or rope 7 is grasped and pulled in the proper direction to revolve the shaft 4,V which in turn-:will operate the sprocket chain 1v(),lthereby turning the gear 12 and the threaded shaft or adjusting screw 13 in the proper direction to shift said stay-log and flitch. When thus turning the shaft 4, the pulley 14 which is normally locked to the shaft 4 by the spring clutch device 16 will also be turned and will wind upon the strap 27 and raise the weight 26 until the same is brought into engagement with the stop 28, by means of which further upward movement of the weight is prevented and the movement of the shaft 4 and the parts driven thereby stopped, thus limiting the eed of the stay-log and tiitch and providing for the accurate adjustment and the cutting of each successive veneer. The movement oi the stay log and flitch may be varied by the adjustment oi the stop 28, as will be understood, thereby providing for the cutting of veneers oi any desired thickness. By means of the shitting lever 22, the clutch device 16 may be actuated to release the pulley 14, thereby permitting the Weight to drop back to its'normal position.
From the foregoing description, taken in connection with the accompanying drawings, the construction and operation oi the invention Will be readily understood without requiring a more extended explanation.
Having thus described our invention, what We claim as new and desire to secure by Letters-Patent, is:-
1. A gage attachment 'for veneer saw mills having standards carrying a feed screw operating shaft, said attachment comprising a pulley loosely mounted on the feed screw adjusting shaft of the mill, a clamping plate adapt ed to lock said pulley into engagement with said shaft, a spring to normally hold said clamp into engagement with the pulley, a shifting lever to disengage said clamping plate from the pulley, a strap having one end secured to and adapted to be wound upon said pulley, a Weight on the opposite end of said strap, a vertically-disposed guide frame adjacent to said Standards in which the weight is guided, a stop clamp arrangedin the path olf said weight. and means to hold said stop in adjusted position upon said frame, whereby the upward lnovelnent oi' the weight may be limited and the movement of said screw adjusting shaft regulated, substantially as described.
2. A gage attachment for veneer saw mills comprising a pulley loosely mounted 011 the feed screw adjusting shaft of the mill, a iixed collar adapted to engage one side of said pulley, a siidably mounted clamping platel or collar adapted to engage the opposite side of said pulley and to frictionally lock the same into engagement', with the shaft, a spring to normally hold said clampingl plate in locking.:l engagement with said pulley, an adjustable stop collar tu adjust the tension of said spring. a shifting,r lever to dis engage the clamping plate from the pulley. a verticallydisposed guide frame arranged 011 the carriage ol' the mili, a weight siidably mounted in said guide frame, a strap connected at its lower end to said weight and adapted to he wound upon said pulley when driven by said shaft, n guide roller to support the upper end of sai'd Istrap, a stop clamp arranged on said frame in the path of Inovement of the weight, and a set screw adapted to hold said stop clamp in adjusted positions, thereby limiting;l the upY ward movement of the weight und thus regulating the movement of the adjusting shaft and feed screw oi' the machine, substantially as described.
In testimony whereof we have hereunto set our hand in presence of two subscribing witnesses.
CHARLES li. WillSIilClt. .TOlIN R. Wlll'lNliY. Witnesses J. FRANK WILSON, N. CRAIG MeBnlnu.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2587438A (en) * 1947-04-16 1952-02-26 Alfred R Brown Automatic electric setwork assembly
US2822835A (en) * 1955-05-27 1958-02-11 George L Berry Figure gauge for saw mills

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2587438A (en) * 1947-04-16 1952-02-26 Alfred R Brown Automatic electric setwork assembly
US2822835A (en) * 1955-05-27 1958-02-11 George L Berry Figure gauge for saw mills

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