The harness comprises a backplate, a plurality of belts and an attachment. The backplate is arranged on the back of the user. The plurality of belts is configured so that one end of each belt is connected to the backplate and another end of each belt is connected to each other on the front of the us
The harness comprises a backplate, a plurality of belts and an attachment. The backplate is arranged on the back of the user. The plurality of belts is configured so that one end of each belt is connected to the backplate and another end of each belt is connected to each other on the front of the user. The attachment is supported by at least one of the backplate and the plurality of belts, and is configured to be attached to the power equipment. The backplate preferably comprises at least one ventilation groove formed on its inner surface and extending to the edge of the backplate, which allows air to pass between the user and backplate easily.
대표청구항▼
1. A harness being wearable for a user to support a handheld power equipment, comprising: a backplate configured to be arranged on a back of the user and comprising a first opening and at least one ventilation groove formed on an inner surface of the backplate, wherein the at least one ventilation g
1. A harness being wearable for a user to support a handheld power equipment, comprising: a backplate configured to be arranged on a back of the user and comprising a first opening and at least one ventilation groove formed on an inner surface of the backplate, wherein the at least one ventilation groove includes a ventilation groove extending from an inner edge of the backplate surrounding the first opening to an outer edge of the backplate;a plurality of belts, each of which has one end being connected to the backplate and another end configured to be connected to each other in front of the user; andan attachment supported by at least one of the backplate and the plurality of belts and configured to be attached to the power equipment, whereinthe backplate comprises the first opening and a plurality of second openings arranged around the first opening,the at least one ventilation groove includes a plurality of first ventilation grooves and a plurality of second ventilation grooves,each of the first ventilation grooves linearly extends from one to another of the inner edge of the backplate surrounding the first opening, the inner edge of the backplate surrounding the second opening and an outer edge of the backplate,each of the second ventilation grooves circumferentially extends from one to another of the inner edges of the backplate surrounding the second openings, andat least one of the first ventilations grooves and at least one of the second ventilation grooves intersect with each other. 2. The harness as in claim 1, wherein the at least one ventilation groove is substantially semicircular in cross section in its width direction. 3. The harness as in claim 1, wherein the backplate is made of a light transmissive material. 4. The harness as in claim 1, wherein the backplate includes, in a height direction with respect to the user, a posteriorly-convex portion being convex rearward with respect to the user along the height direction, wherein, in a width direction with respect to the user, side parts of the posteriorly-convex portion of the backplate are arched more rearward than a middle part of the posteriorly-convex portion of the backplate that is located in between the side parts. 5. The harness as in claim 4, wherein the middle part of the posteriorly-convex portion of the backplate is more convex forward with respect to the user along the width direction, and the side parts in the width direction of the posteriorly-convex portion of the backplate are more convex rearward along the width direction. 6. The harness as in claim 4, wherein an upper edge of the middle part in the width direction of the backplate is arched downward. 7. The harness as in claim 4, wherein the backplate comprises an opening extending in the height direction and at least partially formed within the middle part in the width direction of the posteriorly-convex portion of the backplate. 8. The harness as in claim 1, further comprising a shoulder plate integrally formed with the backplate and configured to be arranged on a shoulder of the user. 9. The harness as in claim 8, wherein the shoulder plate has a length that extends over an uppermost portion of the shoulder of the user. 10. The harness as in claim 8, wherein the shoulder plate comprises at least one groove formed on a surface of the shoulder plate and extending across a longitudinal direction of the shoulder plate. 11. The harness as in claim 8, wherein a thickness of the shoulder plate is smaller than a thickness of the backplate. 12. The harness as in claim 8, wherein the shoulder plate is arched convexly outward in the width direction of the user along a longitudinal direction of the shoulder plate. 13. The harness as in claim 8, wherein the plurality of the belts includes a shoulder belt configured to be arranged on the shoulder of the user, and the shoulder plate comprises a plurality of belt holes through which the shoulder belt is laced. 14. A harness being wearable for a user to support a handheld power equipment, comprising: a backplate configured to be arranged on a back of the user and comprising an opening and at least one ventilation groove formed on an inner surface of the backplate, wherein the at least one ventilation groove includes a ventilation groove extending from an inner edge of the backplate surrounding the opening to an outer edge of the backplate;a plurality of belts, each of which has one end being connected to the backplate and another end configured to be connected to each other in front of the user;an attachment supported by at least one of the backplate and the plurality of belts and configured to be attached to the power equipment; anda protector plate configured to be arranged between the user wearing the harness and the handheld power equipment attached to the attachment, wherein the protector plate comprises at least one protrusion formed on an edge of the protector plate, the at least one protrusion protrudes toward the handheld power equipment attached to the attachment, and the handheld power equipment contacts with the protector plate at the at least one protrusion,the at least one protrusion is a folded portion in which a circumferential portion of the protector plate is folded with respect to a middle part of the protector plate, anda fold angle of the folded portion varies along the edge of the protector plate. 15. The harness as in claim 14, wherein the at least one protrusion includes a pair of protrusions formed on both side edges of the protector plate respectively. 16. The harness as in claim 14, wherein at least a part of the protrusion is formed on a curved edge of the protector plate. 17. The harness as in claim 14, wherein the at least one protrusion includes a pair of protrusions formed on both side edges of the protector plate respectively, and a lower part of each side edge is curved toward a center of the protector plate. 18. The harness as in claim 14, wherein the at least one protrusion varies its cross-sectional shape along the edge of the protector plate.
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이 특허에 인용된 특허 (26)
Zalinsky, Lawrence W.; Gee, Kathleen V.; Rekuc, Richard J., Air-cushion backpack.
Barth, Christian; Hittmann, Markus; Maier, Thomas; Winterholler, Johann; Schwalk, Matti; Oberhofer, Felix, Hand-guided work apparatus and assembly including said hand-guided work apparatus and a support.
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