US2008156060A1PendingUtilityA1

Drawing machine

47
Assignee: HO PO-LINPriority: Dec 29, 2006Filed: Dec 29, 2006Published: Jul 3, 2008
Est. expiryDec 29, 2026(~0.4 yrs left)· nominal 20-yr term from priority
Inventors:Po-Lin Ho
B21C 1/28B21C 1/16
47
PatentIndex Score
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Claims

Abstract

A drawing machine includes a plate, two series of rollers, two slides and two jaws. The plate defines two looped grooves. The series of rollers can roll in the looped grooves. The slides are movable on the plate. Each of the slides includes an upright side and an inclined edge for sliding on a related one of the series of rollers. Each of the jaws is attached to the upright side of a related one of the slides.

Claims

exact text as granted — not AI-modified
1 . A drawing machine comprising:
 a plate defining two looped grooves;   two series of rollers for rolling in the looped grooves; and   two slides movable on the plate and each comprising an upright side for contact with an object to be drawn and an inclined edge for sliding on a related one of the series of rollers.   
   
   
       2 . The drawing machine according to  claim 1  comprising two jaws each attached to the upright side of a related one of the slides. 
   
   
       3 . The drawing machine according to  claim 1  wherein the slides are in the form of a trapezoid.

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