| 摘要 |
A retaining device of a heat blower comprises two sliding grooves and four wings. Each of two sides at a rear end of a casing of the heat blower is formed with one of the two sliding grooves. Each of an upper and a lower ends of each wing has an elastic hook, respectively. By pressing the elastic hooks. The wings are embedded into respective sliding groove, and the wings are slidable with respect to the sliding groove. The wings can be pushed to move outwards to predetermined positions so as to increase the coverage and stability of the heat blower. The wings can be pushed inward along the sliding grooves for operation as being held by a user or for storage.
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