US2549718A - Scraper unit for endless moving surfaces - Google Patents
Scraper unit for endless moving surfaces Download PDFInfo
- Publication number
- US2549718A US2549718A US39360A US3936048A US2549718A US 2549718 A US2549718 A US 2549718A US 39360 A US39360 A US 39360A US 3936048 A US3936048 A US 3936048A US 2549718 A US2549718 A US 2549718A
- Authority
- US
- United States
- Prior art keywords
- plunger
- endless moving
- moving surfaces
- unit
- scraper unit
- Prior art date
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B13/00—Band or strap sawing machines; Components or equipment therefor
- B27B13/16—Accessories, e.g. for cooling the saw blade
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S29/00—Metal working
- Y10S29/097—Cutter engaging cleaner
Definitions
- This invention relates to a novel cleaning unit for endless moving surfaces such as wheels, band saws, etc. Smooth and efficient running of such apparatus requires that these surfaces which come into cooperating contact shall be kept free a tangential position which has not performed the desired operation efficiently.
- a cleaning unit disposed substantially normal to the surface to be cleaned will perform 1 Claim. (01. 143-29) quizd inner end of the detent 28.
- this circular construction of the plunger [6 and the cooperating bore within the block provide a structure that can be produced economically and with great precision.
- This construction together with the one-piece block 20 provides a strong and superior support for resisting the cutting thrusts against the the cleaning operation in superior manner and the primary object of my invention resides in the production of an improved unit thus constructed and operated for this purpose.
- Fig 1 illustrates diagrammatically a band saw unit employing my invention
- Fig. 2 is a rear end elevation of my improved surface cleaning unit
- Fig. 3 is a side elevation thereof, partially in section, and
- Fig. 4 is a plan elevation, partially in section.
- I have illustrated a band saw l0 supported on three wheels or rolls l2.
- the cooperating surfaces of the saw and wheels must be kept free from dirt, grit and the like if the cooperating parts are to function efficiently.
- Jihe improved unit M which I have invented for performing llhlSifllllCtiOn is mounted to operate at an angle normal to the surface being cle' ed tooth J8 .terminates in a sharp cutting ed g e;.”l9.
- ] is open at its forward end to receive the plunger and its rear end is provided with a hole 22 for receiving the smaller rear end 24 of the plunger.
- a compression spring 26 normally forces the plunger forwardly and a detent 23 is provided for holding the plunger against rotation.
- the forward portion, I6, of the plunger is circular in cross section and has a longitudinal key slot therein receiving the replunger and provides for quick and easy assembly and disassembly of the unit.
- the block 20 is supported in a bracket 3
- Each wheel I 2 illustrated in the drawing has a saw supporting periphery 33 grooved circumferentially and the cutting extremity IQ of the tooth I8 is formed to fit this grooved surface as shown in Fig. 4.
- the bracket 30 and block 20 support the plunger I6 for sliding movement normal to the surface to be cleaned.
- the tooth [8 has a top surface 34 extending rearwardly from the cutting extremity l9 and disposed in a plane substantially normal to the surface 33 and a bottom surface 35 diverging from the top surface from the extremity l9 rearwardly.
- the tooth l8 provides a sharp cutting edge always held in cutting contact with the surface 33 by the spring 26 and adapted to keep the surface 33 clean of all foreign matter that would interfere with the operation of the machine.
- the block 20 can be removed for repair or replacement merely by releasing the detent 32 and the plunger is freely removable forwardly from the block.
- the invention therefore provides a unit which can be easily removed and replaced and which serves the intended function with maximum efficiency.
- a scraper unit for endless moving surfaces for endless moving surfaces
- a one-piece block having a straight bore circular in cross sectionextending thereinto from its forward face to an end wall at the rear face and a boreof reduced diameter through the wall coaxial with the-first bore, a plunger slidable longitudinally in the bores and having a forward portion fitting the larger bore and a rear portion fitting the smaller bore, the forward portion of the plunger having a key slot longitudinally therein, a releasable detent extending into the key slot and preventing rotation of the plunger but permitting its movement longitudinally, a scraping tool with a sharp cutting extremity on the forward end of the plunger outside of the bore, resilient means-normally forcing the plunger forwardly, a support disposed outside of and having an opening therein receiving and closely fitting the block, and a releasable detent carried by the support for engaging and holding the block in place therein.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Cleaning In General (AREA)
Description
April 17, 1951 w. F. SPANG SCR=APER UNIT FOR ENDLESS MOVING SURFACES Filed July 17, 1948 lfwezzfow:
iii
mma F E6 1mm f 2 Patented Apr. 17, 1951 SCRAPER UNIT FOR ENDLESS MOVING SURFACES William F. Spang, Miltonj Mass assignor to Cube Steak Machine 00., Needham Heights, Mass.,' a
partnership Application July 17, 1 948, Serial No. 39,360
This invention relates to a novel cleaning unit for endless moving surfaces such as wheels, band saws, etc. Smooth and efficient running of such apparatus requires that these surfaces which come into cooperating contact shall be kept free a tangential position which has not performed the desired operation efficiently. I have discovered that a cleaning unit disposed substantially normal to the surface to be cleaned will perform 1 Claim. (01. 143-29) duced inner end of the detent 28. It will be apparent that this circular construction of the plunger [6 and the cooperating bore within the block provide a structure that can be produced economically and with great precision. This construction together with the one-piece block 20 provides a strong and superior support for resisting the cutting thrusts against the the cleaning operation in superior manner and the primary object of my invention resides in the production of an improved unit thus constructed and operated for this purpose. These and other features of the invention will be best understood and appreciated from the following description of a preferred embodiment thereof selected for purposes of illustration and shown in the accompanying drawings in which;
Fig 1 illustrates diagrammatically a band saw unit employing my invention,
Fig. 2 is a rear end elevation of my improved surface cleaning unit,
Fig. 3 is a side elevation thereof, partially in section, and
Fig. 4 is a plan elevation, partially in section. In Fig. 1 I have illustrated a band saw l0 supported on three wheels or rolls l2. The cooperating surfaces of the saw and wheels must be kept free from dirt, grit and the like if the cooperating parts are to function efficiently. Jihe improved unit M which I have invented for performing llhlSifllllCtiOn is mounted to operate at an angle normal to the surface being cle' ed tooth J8 .terminates in a sharp cutting ed g e;."l9.
The block 2|] is open at its forward end to receive the plunger and its rear end is provided with a hole 22 for receiving the smaller rear end 24 of the plunger. A compression spring 26 normally forces the plunger forwardly and a detent 23 is provided for holding the plunger against rotation. As illustrated in Fig. 2 the forward portion, I6, of the plunger is circular in cross section and has a longitudinal key slot therein receiving the replunger and provides for quick and easy assembly and disassembly of the unit. The block 20 is supported in a bracket 3|] provided with a spring pressed detent 32 for holding it within the bracket.
Each wheel I 2 illustrated in the drawing has a saw supporting periphery 33 grooved circumferentially and the cutting extremity IQ of the tooth I8 is formed to fit this grooved surface as shown in Fig. 4. The bracket 30 and block 20 support the plunger I6 for sliding movement normal to the surface to be cleaned. The tooth [8 has a top surface 34 extending rearwardly from the cutting extremity l9 and disposed in a plane substantially normal to the surface 33 and a bottom surface 35 diverging from the top surface from the extremity l9 rearwardly. Thus the tooth l8 provides a sharp cutting edge always held in cutting contact with the surface 33 by the spring 26 and adapted to keep the surface 33 clean of all foreign matter that would interfere with the operation of the machine.
The block 20 can be removed for repair or replacement merely by releasing the detent 32 and the plunger is freely removable forwardly from the block. The invention therefore provides a unit which can be easily removed and replaced and which serves the intended function with maximum efficiency.
Havingthus disclosed my invention, I claim as new and desire to secure by Letters Patent:
A scraper unit for endless moving surfaces,
comprising a one-piece block having a straight bore circular in cross sectionextending thereinto from its forward face to an end wall at the rear face and a boreof reduced diameter through the wall coaxial with the-first bore, a plunger slidable longitudinally in the bores and having a forward portion fitting the larger bore and a rear portion fitting the smaller bore, the forward portion of the plunger having a key slot longitudinally therein, a releasable detent extending into the key slot and preventing rotation of the plunger but permitting its movement longitudinally, a scraping tool with a sharp cutting extremity on the forward end of the plunger outside of the bore, resilient means-normally forcing the plunger forwardly, a support disposed outside of and having an opening therein receiving and closely fitting the block, and a releasable detent carried by the support for engaging and holding the block in place therein.
WILLIAM F. SPANG.
REFERENCES CITED UNITED STATES PATENTS Name Date Ide Nov. 28, 1871 Number Number 10 Number Name Date Hoffman Dec. 17, 1889 Chamberlain Aug. 19, 1930 Jinnett Feb. 21, 1933 Biro May 18, 1937 Blank July 23, 1940 BiIO 1 July 1, 1947 FOREIGN PATENTS Country Date Great Britain July 7, 1921
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US39360A US2549718A (en) | 1948-07-17 | 1948-07-17 | Scraper unit for endless moving surfaces |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US39360A US2549718A (en) | 1948-07-17 | 1948-07-17 | Scraper unit for endless moving surfaces |
Publications (1)
Publication Number | Publication Date |
---|---|
US2549718A true US2549718A (en) | 1951-04-17 |
Family
ID=21905056
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US39360A Expired - Lifetime US2549718A (en) | 1948-07-17 | 1948-07-17 | Scraper unit for endless moving surfaces |
Country Status (1)
Country | Link |
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US (1) | US2549718A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2729842A (en) * | 1952-06-21 | 1956-01-10 | United Electric Coal Companies | Pulley cleaner |
US2741281A (en) * | 1952-02-07 | 1956-04-10 | Toledo Scale Co | Band saw blade scraper |
US2864411A (en) * | 1957-12-13 | 1958-12-16 | Southern Saw Service Inc | Band saw blade for use with power driven band saws for cutting meat |
US3203020A (en) * | 1963-02-11 | 1965-08-31 | Merkel Adolf | Shoe cleaning device in the form of an endless belt |
US4031252A (en) * | 1976-03-10 | 1977-06-21 | The United States Of America As Represented By The Secretary Of Agriculture | Doctoring and drying method |
US5313689A (en) * | 1989-10-17 | 1994-05-24 | Schubert & Salzer Maschinenfabrik Aktiengesellschaft | Sliver drawing rollers driven by belts including belt cleaners |
US20070137984A1 (en) * | 2005-12-21 | 2007-06-21 | Martin Engineering Company | Conveyor belt cleaner including a scraper blade mounting apparatus having a biasing member |
US11260438B2 (en) * | 2019-04-18 | 2022-03-01 | Andong National University Industry-Academic Cooperation Foundation | Wire rod rolling roller and gap adjustment device thereof |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US121373A (en) * | 1871-11-28 | Improvement in scroll-saw guides | ||
US417425A (en) * | 1889-12-17 | Band-saw pulley | ||
GB156072A (en) * | 1919-12-29 | 1921-07-07 | Charles Auguste Constant Rispa | Improvements in or relating to means for the extraction of foreign bodies that may be forced between twin pneumatic tyres while on the road |
US1773476A (en) * | 1925-03-07 | 1930-08-19 | Elizabeth G Chamberlain | Crusher |
US1898964A (en) * | 1930-05-14 | 1933-02-21 | Francis E Jinnett | Pipe cleaning machine |
US2081033A (en) * | 1936-02-27 | 1937-05-18 | Carl G Biro | Meat cutting and slicing machine |
US2209257A (en) * | 1938-08-26 | 1940-07-23 | Proctor & Schwartz Inc | Fin-drum drier |
US2423363A (en) * | 1946-03-26 | 1947-07-01 | Biro Mfg Company | Cleaning unit for power meat cutters |
-
1948
- 1948-07-17 US US39360A patent/US2549718A/en not_active Expired - Lifetime
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US121373A (en) * | 1871-11-28 | Improvement in scroll-saw guides | ||
US417425A (en) * | 1889-12-17 | Band-saw pulley | ||
GB156072A (en) * | 1919-12-29 | 1921-07-07 | Charles Auguste Constant Rispa | Improvements in or relating to means for the extraction of foreign bodies that may be forced between twin pneumatic tyres while on the road |
US1773476A (en) * | 1925-03-07 | 1930-08-19 | Elizabeth G Chamberlain | Crusher |
US1898964A (en) * | 1930-05-14 | 1933-02-21 | Francis E Jinnett | Pipe cleaning machine |
US2081033A (en) * | 1936-02-27 | 1937-05-18 | Carl G Biro | Meat cutting and slicing machine |
US2209257A (en) * | 1938-08-26 | 1940-07-23 | Proctor & Schwartz Inc | Fin-drum drier |
US2423363A (en) * | 1946-03-26 | 1947-07-01 | Biro Mfg Company | Cleaning unit for power meat cutters |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2741281A (en) * | 1952-02-07 | 1956-04-10 | Toledo Scale Co | Band saw blade scraper |
US2729842A (en) * | 1952-06-21 | 1956-01-10 | United Electric Coal Companies | Pulley cleaner |
US2864411A (en) * | 1957-12-13 | 1958-12-16 | Southern Saw Service Inc | Band saw blade for use with power driven band saws for cutting meat |
US3203020A (en) * | 1963-02-11 | 1965-08-31 | Merkel Adolf | Shoe cleaning device in the form of an endless belt |
US4031252A (en) * | 1976-03-10 | 1977-06-21 | The United States Of America As Represented By The Secretary Of Agriculture | Doctoring and drying method |
US5313689A (en) * | 1989-10-17 | 1994-05-24 | Schubert & Salzer Maschinenfabrik Aktiengesellschaft | Sliver drawing rollers driven by belts including belt cleaners |
US20070137984A1 (en) * | 2005-12-21 | 2007-06-21 | Martin Engineering Company | Conveyor belt cleaner including a scraper blade mounting apparatus having a biasing member |
US7798310B2 (en) | 2005-12-21 | 2010-09-21 | Martin Engineering Company | Conveyor belt cleaner including a scraper blade mounting apparatus having a biasing member |
US11260438B2 (en) * | 2019-04-18 | 2022-03-01 | Andong National University Industry-Academic Cooperation Foundation | Wire rod rolling roller and gap adjustment device thereof |
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