Back to results
US 4,060,209 AGranted
Coil holding device
OwnerKotaro Tsukamotoinventor
Life of this patent
Estimating the term…
Abstract
A coil holding device which has a bed plate with an upright support situated thereon. To the upright support are rotatably mounted a pair of rotary drums which are designed to hold two coils thereon. Each of the drums has a spiral groove around the circumference thereof, this spiral being inverse to the rotary direction of the drums. Further, the drum may be conically tapered toward the upright support and may have a plurality of longitudinal grooves along the sides thereof from the outer end toward the upright support.
Claims4
A coil holding device comprising:
- a bed plate;
- an upright support on said bed plate;
- and
- a pair of rotary drum means mounted on said upright support above said bed plate for rotatably holding two of said coils thereon, each drum means having a spiral groove around the circumference thereof, said spiral being inverse to the rotary direction of said drum means, whereby said spiral groove moves toward said support as said rotary drum means rotates.
1 more element
Dependencies are inferred from the claim text.