US 11,806,819 B2
Fixture for laser engraving long heavy objects
Chan Hwang, Haslett, MI (US); Adam Childress, Caledonia, MI (US); and Samuel McAlvey, Lansing, MI (US)
Assigned to SuperNova International Inc., Lansing, MI (US)
Filed by SuperNova International Inc., Lansing, MI (US)
Filed on Nov. 4, 2020, as Appl. No. 17/089,427.
Claims priority of provisional application 63/039,204, filed on Jun. 15, 2020.
Prior Publication US 2021/0387293 A1, Dec. 16, 2021
Int. Cl. B23K 37/04 (2006.01); B23K 26/08 (2014.01)
CPC B23K 37/0452 (2013.01) [B23K 26/0869 (2013.01)] 7 Claims
OG exemplary drawing
 
1. An engraving fixture for use in combination with an engraving machine of the type having a tool movable along a linear path to engrave an object wherein said fixture comprises:
an elongate base member adapted to be located in parallel relationship with an axis of tool movement;
a first support structure fixed to one end of said base member and carrying a pair of rotatable drive wheels to receive an object thereon;
a driver for incrementally rotating said drive wheels to rotate said object between multiple passes of said engraving tool;
a second support structure carrying idler wheels, said second support structure being slidably mounted on said base for receiving and supporting an object thereon in combination with the first support structure; and
means for adjusting the distance between the first and second support structures thereby to adjust the length of the base member.