| 摘要 |
PCT No. PCT/GB92/01621 Sec. 371 Date Feb. 24, 1994 Sec. 102(e) Date Feb. 24, 1994 PCT Filed Sep. 4, 1992 PCT Pub. No. WO93/05297 PCT Pub. Date Mar. 18, 1993.An electrically driven fan mounted on the brim or crown of a cap or other head gear is manufactured from plastic, and readily mountable on the head gear without the need for special tools or skills. Dry cell batteries are mounted in the crown of the hat and the impeller of the fan units acts within a recess within the fan unit to pull air downwardly across the face of the user. |
