POWER OPERATED SCRIBE SAW

A power operated scribe saw including a head assembly affixed to a handle assembly. The head assembly includes a frame body, a drive train and a cutting blade. The drive train includes a worm driveshaft and worm rotating about a longitudinal axis of rotation and a blade driveshaft and worm gear rota...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MILLER, Robert, ESAREY, Bernard J
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:A power operated scribe saw including a head assembly affixed to a handle assembly. The head assembly includes a frame body, a drive train and a cutting blade. The drive train includes a worm driveshaft and worm rotating about a longitudinal axis of rotation and a blade driveshaft and worm gear rotating about a transverse axis of rotation, the cutting blade rotating with the blade driveshaft. The frame body includes a longitudinal throughbore and a transversely extending recess extending into a first side wall, the throughbore including a seating surface. A worm driveshaft support assembly supports the worm driveshaft for rotation and includes a first bearing engaging the worm drive shaft between the distal end of the worm driveshaft and the worm and a second bearing on the seating surface of the throughbore and engaging the worm drive shaft between the proximal end of the driveshaft and the worm.