US 12,304,400 B2
Wire harness with first and second path restrictors and formed air layer
Katsutoshi Izawa, Yokkaichi (JP); Kosuke Tanaka, Yokkaichi (JP); and Ryuta Saito, Yokkaichi (JP)
Assigned to SUMITOMO WIRING SYSTEMS, LIMITED, Mie (JP)
Appl. No. 18/031,708
Filed by SUMITOMO WIRING SYSTEMS, LTD., Yokkaichi (JP)
PCT Filed Oct. 19, 2021, PCT No. PCT/JP2021/038628
§ 371(c)(1), (2) Date Apr. 13, 2023,
PCT Pub. No. WO2022/085684, PCT Pub. Date Apr. 28, 2022.
Claims priority of application No. 2020-178422 (JP), filed on Oct. 23, 2020.
Prior Publication US 2023/0406240 A1, Dec. 21, 2023
Int. Cl. B60R 16/02 (2006.01); H02G 3/04 (2006.01); H01B 7/00 (2006.01)
CPC B60R 16/0215 (2013.01) [H02G 3/0468 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A wire harness comprising:
an electrical wire;
an exterior tube covering an outer periphery of the wire;
a first path restrictor attached on an outer peripheral side of the exterior tube; and
a second path restrictor attached on an outer peripheral side of the first path restrictor, wherein:
the first path restrictor has:
a first main body covering part of an outer periphery of the exterior tube; and
a first insertion opening formed by both circumferential ends of the first main body, extending along a lengthwise direction of the first path restrictor over an entirety thereof in the lengthwise direction, and configured for the exterior tube to be insertable therein,
an outer surface of the first path restrictor has a plurality of first protrusions extending over an entire length of the first path restrictor and protruding radially outward, and a smooth outer surface excluding the plurality of first protrusions,
the second path restrictor has:
a second main body covering part of an outer periphery of the first path restrictor; and
a second insertion opening formed by both circumferential ends of the second main body, extending along a lengthwise direction of the second path restrictor over an entirety thereof in the lengthwise direction, and configured for the first path restrictor to be insertable therein,
an inner surface of the second path restrictor has a plurality of second protrusions extending over an entire length of the second path restrictor and protruding radially inward, and a smooth outer surface excluding the plurality of second protrusions,
the plurality of first protrusions of the first path restrictor contact the smooth inner surface of the second path restrictor,
the plurality of second protrusions of the second path restrictor contact the smooth outer surface of the first path restrictor, and
the smooth outer surface of the first path restrictor and the smooth inner surface of the second path restrictor form an air layer therebetween.