DE547381C - Electric motor-driven hand band saw with perforated saw band - Google Patents

Electric motor-driven hand band saw with perforated saw band

Info

Publication number
DE547381C
DE547381C DEM113570D DEM0113570D DE547381C DE 547381 C DE547381 C DE 547381C DE M113570 D DEM113570 D DE M113570D DE M0113570 D DEM0113570 D DE M0113570D DE 547381 C DE547381 C DE 547381C
Authority
DE
Germany
Prior art keywords
saw
band
perforated
electric motor
driven hand
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
Application number
DEM113570D
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KURT MARTINI
Original Assignee
KURT MARTINI
Publication date
Priority to DEM113570D priority Critical patent/DE547381C/en
Application granted granted Critical
Publication of DE547381C publication Critical patent/DE547381C/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D61/00Tools for sawing machines or sawing devices; Clamping devices for these tools
    • B23D61/12Straight saw blades; Strap saw blades
    • B23D61/123Details of saw blade body
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D53/00Machines or devices for sawing with strap saw-blades which are effectively endless in use, e.g. for contour cutting
    • B23D53/12Hand-held or hand-operated sawing devices working with strap saw blades
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23DPLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D55/00Sawing machines or sawing devices working with strap saw blades, characterised only by constructional features of particular parts
    • B23D55/06Sawing machines or sawing devices working with strap saw blades, characterised only by constructional features of particular parts of drives for strap saw blades; of wheel mountings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sawing (AREA)

Description

Kurt Martini in Dresden
Elektromotorisch angetriebene Handbandsäge mit gelochtem Sägeband
Kurt Martini in Dresden
Electric motor-driven hand band saw with perforated saw band

Patentiert im Deutschen Reiche vom 16. Januar 1931 ab.Patented in the German Empire on January 16, 1931.

Die Erfindung bezieht sich auf eine elektrische Handbandsäge mit gelochtem Sägeband, in das die Führungs- und Antriebsräder eingreifen.The invention relates to an electric hand band saw with a perforated saw band, in which the guide and drive wheels engage.

Bekannte Handbandsägen dieser Art treiben das Sägeblatt nur von einem Wellenende aus an einem Punkt an. Dadurch wird das Sägeblatt sehr- oft abgerissen, und die Motorenlager werden einseitig ausgeschliffen. »ο Die Erfindung besteht darin, daß die Motorenwelle zu beiden Seiten des Motors mit Ritzel ausgestattet ist, die in zwei Sägeantriebsstirnräder eingreifen.Known hand band saws of this type drive the saw blade only from one end of the shaft off at one point. As a result, the saw blade is very often torn off and the motor bearings are ground out on one side. »Ο The invention consists in the fact that the motor shaft on both sides of the motor is equipped with pinions, which in two saw drive spur gears intervention.

Die Motorenwelle wird an beiden Enden belastet, die Lager werden gleichmäßig und auf einer langen Fläche beansprucht; das gelochte Sägeblatt wird an zwei Punkten angetrieben, und sein Abreißen wird dadurch verhindert. Auf der Zeichnung ist ein Ausführungsbeispiel des Erfindungsgegenstandes dargestellt; es zeigen die Abb. I eine Draufsicht, die Abb. 2 die teilweise Abb. 1 mit eingebautem Antrieb, die Abb. 3 die Einstellvorrichtung für die Führungsrollen und die *5 Abb. 4 ein Stück des bekannten Sägeblattes. Im Gehäuse 1 sind auf den Zapfen 2 drehbar die Zahnräder 3 angeordnet, die mit ihren Zähnen in die Löcher 4 des Sägebandes eingreifen. Auf zwei der Zapfen 2 sind Stirnräder 6 aufgekeilt, die durch Ritzel 7 angetrieben werden, die auf die Welle 8 des Motors 9 aufgesetzt sind. Als nicht zur ErfinThe motor shaft is loaded at both ends, the bearings become even and stressed over a long area; the perforated saw blade is driven at two points, and its tearing is thereby prevented. An exemplary embodiment is shown in the drawing the subject matter of the invention shown; Fig. I shows a plan view, Fig. 2 shows the partial Fig. 1 with built-in Drive, Fig. 3 the setting device for the guide rollers and the * 5 Fig. 4 a piece of the known saw blade. In the housing 1, the gears 3 are rotatably arranged on the pin 2, with their The teeth engage in the holes 4 of the saw band. On two of the pins 2 there are spur gears 6 keyed, which are driven by pinions 7, which are on the shaft 8 of the motor 9 are attached. As not to the inventor

dung gehörend wird es bezeichnet, daß aus einem Bogen 10 Schlitzen ausgespart sind, in denen die Zapfen 2 verschoben werden. 35 Unter dem Gehäuse sind neben den Schlitzen 11 Rasten 12 vorgesehen, mit denen gezahnte Platten 13 in Eingriff gebracht werden, durch die die Bolzen 2 geführt sind. Mittels Flügelschraubenmuttern 14, die auf die vorstehenden 40 Enden der Zapfen 2 geschraubt werden, erfolgt ein Anziehen der Platten 13 gegen die Rasten 12. Es ist ein Flansch 15 vorgesehen. Mittels der Ritzel 7, von denen das eine vor der einen Drehachse, das andere hinter 45 der anderen Drehachse der Stirnräder 6 in diese eingreifen, wird- das endlose Sägeband zum Umlaufen gebracht, indem die mit den Stirnrädern auf einer gemeinsamen Achse sitzenden Zahnräder das Sägeband vorziehen, 50 das nicht rutschen kann. Durch Verschieben der Zapfen 2 in den Schlitzen 11 wird die Blattspannung geregelt, während das Sägeblatt umläuft.belonging to it, it is called that 10 slots are cut out of a sheet, in which the pin 2 are moved. 35 Under the case are next to the slots 11 notches 12 are provided with which toothed plates 13 are brought into engagement by which the bolts 2 are guided. By means of wing nuts 14, which are attached to the protruding 40 Ends of the pin 2 are screwed, the plates 13 are tightened against the Notches 12. A flange 15 is provided. By means of the pinion 7, one of which in front of one axis of rotation, the other behind 45 of the other axis of rotation of the spur gears 6 in these intervene, the endless saw band is made to rotate by the with the Spur gears on a common axis pull the saw band forward, 50 that cannot slip. By moving the pin 2 in the slots 11, the Blade tension regulated while the saw blade rotates.

Claims (1)

Patentanspruch:Claim: Elektromotorisch angetriebene Handbandsäge mit gelochtem Sägeband, in das die Führungs· und Antriebsräder-eingr eifen, dadurch gekennzeichnet, daß die Motorenwelle (8) an beiden Enden mit Ritzeln (7) ausgestattet ist, die in je ein Antriebsstirnrad (6) des Sägebandes eingreifen. Electric motor-driven hand band saw with perforated saw band into which the guide and drive wheels engage, characterized in that the motor shaft (8) is equipped with pinions (7) at both ends, each of which engages in a drive spur gear (6) of the saw band. Hierzu 1 Blatt Zeichnungen1 sheet of drawings
DEM113570D Electric motor-driven hand band saw with perforated saw band Expired DE547381C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEM113570D DE547381C (en) Electric motor-driven hand band saw with perforated saw band

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEM113570D DE547381C (en) Electric motor-driven hand band saw with perforated saw band

Publications (1)

Publication Number Publication Date
DE547381C true DE547381C (en) 1932-03-31

Family

ID=7327838

Family Applications (1)

Application Number Title Priority Date Filing Date
DEM113570D Expired DE547381C (en) Electric motor-driven hand band saw with perforated saw band

Country Status (1)

Country Link
DE (1) DE547381C (en)

Similar Documents

Publication Publication Date Title
DE547381C (en) Electric motor-driven hand band saw with perforated saw band
DE871692C (en) Gear pump
DE698201C (en) Auxiliary power plant glider
DE585818C (en) Block drive for escalators
DE468183C (en) Device for automatic switching off and on of the drive for continuously wound engines
DE422896C (en) Device for the uniform transmission of the power of a prime mover with several gear reduction gears to the power-reducing shaft for power plants, in particular marine machinery
DE351504C (en) Double gear reduction gear
DE1611752B1 (en) Drive for the knife rollers of a device for cutting up documents
DE607692C (en) Hair clipper
DE865875C (en) Machine for tying boxes and other packages with wire
DE574393C (en) Two-wheel motorized tiller
DE446127C (en) Point counter with differential gear for electrical counters with double counter arranged next to each other
DE513496C (en) Mobile agricultural machine with automatic feed and simultaneously operated working device
DE477313C (en) Fine adjustment device for elevators with auxiliary motor
DE433553C (en) Device for cutting reeds and coils
DE936875C (en) Manual setting device for electrical point machines
DE405157C (en) Device for driving auxiliary drive shafts on motor vehicles
DE524075C (en) Device for actuating the gearbox to pivot the Schraem chain of Schraemmaschinen
DE847704C (en) Device for switching bicycle gearboxes
DE550483C (en) Starting device for internal combustion engines
DE613407C (en) Device for removing ice from racks on mountain railways
DE321583C (en) Hand and foot motor for driving small electric power stations
DE416354C (en) Electric motor drive for slow running machines, especially for cold circular saws
DE1259756B (en) concrete mixer
DE878174C (en) Mixer