H - Electricity – 01 – B
Patent
H - Electricity
01
B
339/48, 337/99
H01B 17/26 (2006.01) H01R 13/56 (2006.01) H01R 13/58 (2006.01)
Patent
CA 1138063
STRAIN-RELIEF MEMBER FOR REDUCING TORSIONAL STRAINS IN LINE CORD OF A PERSONAL CARE ELECTRICAL APPLIANCE INVENTOR: ROBERT R. KING ABSTRACT OF THE DISCLOSURE A strain-relief member is provided to relieve tor- sional strains from a two-conductor power supply cord attached to a personal care electrical appliance, such as a hand-held hair dryer, or curling iron. Such torsional strains are primarily those resulting from twisting the wire about its longitudinal axis, as when using a curling iron, rather than from flexing. The strain-relief member is an elongated body of elastomeric material molded about the usual two-conductor line cord. It has a lateral projection or collar on one end thereof adapted to fit into the interior of the personal care electrical appliance to prevent rotation with respect to the appliance. The outer portion of the body member is uniformly tapered along its length on the sides adjacent to single conductors of said cord and has flattened, generally parallel sides extending along the opposite sides which are adjacent to both conductors of the power supply cord. The strain-relief member distributes such tor- sional bend and flex forces substantially uniformly along the length of the member by providing a uniform are along that portion of the wire which is flexed as a result of application of torsional strains, thus preventing fracture of the power supply cord. 4028-1
353811
Conair Corporation
Westell & Hanley
LandOfFree
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