US 12,402,702 B2
Handle for hair styling tool with replaceable spring
Luke Hillebrecht, El Paso, TX (US); Gary Koenemann, El Paso, TX (US); and William C. Fiebel, Succasunna, NJ (US)
Assigned to KAZ EUROPE SÁRL, Bussigny (CH)
Filed by Helen of Troy Limited, St. Michael (BB)
Filed on Dec. 8, 2022, as Appl. No. 18/077,461.
Application 18/077,461 is a continuation of application No. PCT/US2021/038001, filed on Jun. 18, 2021.
Claims priority of provisional application 63/211,159, filed on Jun. 16, 2021.
Claims priority of provisional application 63/046,755, filed on Jul. 1, 2020.
Prior Publication US 2023/0109480 A1, Apr. 6, 2023
Int. Cl. A45D 1/00 (2006.01)
CPC A45D 1/00 (2013.01) 21 Claims
OG exemplary drawing
 
1. A hair styling tool or curling iron comprises:
a handle portion housing a torsion spring; and
a styling portion including a hair engaging member adapted to be biased toward the styling portion by the torsion spring; and
a spring door releasably and/or removably connected directly to the handle portion, the spring door configured to cover and at least partially secure the torsion spring housed within the handle portion,
wherein the torsion spring is not mechanically connected to the handle portion so that releasing and/or removing of the spring door from the handle portion allows for removal and replacement of the torsion spring.