Circle drawing kit apparatus

• US 5,253,421 A
• Filed: 10/31/1991
• Issued: 10/19/1993
• Est. Priority Date: 10/31/1991
• Status: Expired due to Fees

• Current Assignee: Ake Landmark
• Original Assignee: Ake Landmark
• Inventors: Landmark, Ake
• Primary Examiner(s): Will, Thomas B.
• Application Number:
  US07/786,918
• Time in Patent Office: 719 Days
• Field of Search: 33/27.03, 33/758, 33/760, 33/767, 33/768, 33/770
• US Class Current: 33/27.03
• CPC Class Codes: B43L 9/04 Beam compasses

Abstract

A drawing kit includes a base member formed of a ferromagnetic or alternative base member to provide for suction, projection, and the like to an underlying surface, wherein the base member includes a rotatable cylindrical mount, including a diametrically directed through-extending slot to receive a measuring tape housing thereon that extensively and retractably contains a measuring web, wherein the measuring web includes an aperture directed through and adjacent a forward distal end of the web to receive a writing instrument orthogonally through the web to permit scribing of a circular path to an underlying surface.

Claims

1. A circle drawing kit apparatus, comprising,

a first cylindrical base formed of a ferromagnetic material, and

the cylindrical base including a planar top wall, and

the planar top wall including indicia formed on the planar top wall about the periphery of the top wall, and

a cylindrical mount rotatably and coaxially mounted to the planar top wall, with the cylindrical mount including a support reel housing fixedly mounted to the cylindrical mount, the support reel housing including an extensible and retractable measuring web mounted retractably relative to the support reel housing, and including scribing means mounted adjacent a forward distal end of the measuring web for permitting scribing of a circular array to an underlying support surface, and

the cylindrical mount includes a rigid pointer arm radially projecting exteriorly of the cylindrical mount adjacent the planar top wall and the indicia, and a bifurcated mount head fixedly secured to a top surface of the cylindrical mount, wherein the mount head includes a diametrically aligned slot including a floor directed through the mount head, with the slot defined at a predetermined width, and the support reel housing defined by a further width equal to the predetermined width contained within the slot, and a lock pin directed orthogonally through the slot and support reel housing to secure the support reel housing within the slot, and a feed conduit mounted to the support reel housing, wherein the feed conduit is longitudinally aligned relative to the slot to align the measuring web orthogonally relative to the lock pin, and a reel lock mounted to the support reel housing to permit selective securement of the web in a desired extended orientation relative to the housing, and

the scribing means includes an aperture orthogonally directed through the web adjacent the forward distal end and including a writing instrument mounted within the aperture projecting below the web.