The present invention relates to heat blowers, and particularly to a retaining device of a heat blower, wherein the heat blower has wings installed at the casing. The wings are capable of being pushed to move outwards to predetermined positions so as to increase the coverage and stability of the heat blower.
Heat blowers are widely used in industry. In general, the heat blower is installed with high impedance heat resistors. Heat generated from the heat resistor is blown out by a fan. Thereby, the heat blower can heat a work piece. In general the heat blower is held by a hand for blowing hot air to an object, while in many cases, the heat blower is placed flatly, as shown in the
Accordingly, the primary object of the present invention is to provide a retaining device of a heat blower comprising 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 are capable of being pushed to move outwards to predetermined positions so as to increase the coverage and stability of the heat blower. The wings are capable of being pushed inward along the sliding grooves for operation as being held by a user or for storage.
Another object of the present invention is to provide a retaining device of a heat blower, wherein each of an upper and a lower ends of each wing has an elastic hooks; when the elastic hooks are pressed, the wing will embed into a respective sliding groove, when the wing is pushed outwards to a predetermined position, the elastic hooks is buckled to an inner wall of the casing and thus the wings are limited.
A further object of the present invention is to provide a retaining device of a heat blower, wherein a center of the protruding edge is extended with a protuberance; a positioning hole is formed in the casing. When the wing is pushed inwards along the sliding groove and is stored within the heat blower; the protuberance is exactly buckled in the positioning hole. Thus, when the user holds the heat blower for blowing wind to an object, the wings will not protrude out due to the movement of the heat blower.
The various objects and advantages of the present invention will be more readily understood from the following detailed description when read in conjunction with the appended drawing.
With reference to
Referring to
Moreover, a center of the protruding edge 22 is extends with a protuberance 23. A positioning hole 12 is formed in the casing 1. When the wing 2 is pushed inwards along the sliding groove 11 and is stored within the heat blower (referring to FIG. 5). The protuberance 23 is exactly buckled in the positioning hole 12. Thus, when the user holds the heat blower for blowing wind to an object, the wings 2 will not protrude out due to the movement of the heat blower.
Although the present invention has been described with reference to the preferred embodiments, it will be understood that the invention is not limited to the details described thereof. Various substitutions and modifications have been suggested in the foregoing description, and others will occur to those of ordinary skill in the art. Therefore, all such substitutions and modifications are intended to be embraced within the scope of the invention as defined in the appended claims.
Number | Name | Date | Kind |
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1716580 | Duhamel | Jun 1929 | A |
2662962 | Green | Dec 1953 | A |
2678376 | Lockwood | May 1954 | A |
3184195 | Wahl et al. | May 1965 | A |
3587453 | Klein et al. | Jun 1971 | A |
4635811 | Lodi | Jan 1987 | A |
Number | Date | Country | |
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20030235462 A1 | Dec 2003 | US |