A protective grill is provided for a portable infrared heater which reduces the possibility of a person from coming into contact with the radiation disk of the heater. The protective grill of this invention may be selectively detachably secured to the wheeled frame of a heater wherein the radiation
A protective grill is provided for a portable infrared heater which reduces the possibility of a person from coming into contact with the radiation disk of the heater. The protective grill of this invention may be selectively detachably secured to the wheeled frame of a heater wherein the radiation disk thereof is positioned at one side of the wheeled frame or which may be selectively secured to the wheeled frame of the heater wherein the radiation disk of the heater is positioned at one end of the heater.
대표청구항▼
1. In combination a portable infrared heater and a protective grill for use with said infrared heater; Said portable infrared heater comprising a wheeled frame having a first end, a second end, a first side and a second side and a radiation disk having upper and lower ends, at said second side there
1. In combination a portable infrared heater and a protective grill for use with said infrared heater; Said portable infrared heater comprising a wheeled frame having a first end, a second end, a first side and a second side and a radiation disk having upper and lower ends, at said second side thereof which directs infrared rays outwardly from said second side thereof;said protective grill for use with said infrared heater comprising:a. a first elongated, generally horizontally disposed hollow tube member, having first and second ends, connected to said wheeled frame at said first end thereof;b. said first tube member being positioned in a plane between said upper and lower ends of said radiation disk;c. a second elongated, generally horizontally disposed hollow tube member, having first and second ends, connected to said wheeled frame at said second end thereof;d. said second tube member being positioned in a plane between said upper and lower ends of said radiation disk;e. a generally horizontally disposed first leg portion having first and second ends;f. a generally horizontally disposed second leg portion having first and second ends;g. an elongated and generally horizontally disposed third leg portion having first and second ends;h. said first leg portion including an inner leg member, having first and second ends;i. said first end of said inner leg member of said first leg portion being selectively removably received in said second end of said first tube member;j. said first leg portion also including an intermediate leg member, having first and second ends, which extends laterally and outwardly from said second end of first leg member of said first leg portion;k. said first leg portion also including an outer leg member, having first and second ends, which extends outwardly from said second end of said intermediate leg member of said first leg portion so as to be parallel to said inner leg member thereof;l. said second leg portion including an inner leg member, having first and second ends;m. said first end of said inner leg member of said second leg portion being selectively removably received in said second end of said second tube member;n. said second leg portion also including an intermediate leg member, having first and second ends, which extends laterally and outwardly from said second end of said first leg member of said second leg portion;o. said second leg portion also including an outer leg member, having first and second ends, which extends outwardly from said second end of said intermediate leg member of said second leg portion so as to be parallel to said inner leg member thereof;p. said first end of said third leg portion being connected to said second end of said outer leg member of said first leg portion;q. said second end of said third leg portion being connected to said second end of said outer leg member of said second leg portion;r. said third leg portion being positioned at least twelve inches from said radiation disk when said first end of said first leg member of said first leg portion is received by said second end of said first tube member and said first end of said first leg member of said second leg portion is received by said second end of said second tube member. 2. The combination of claim 1 wherein said third leg portion of said protective grill member is positioned at least twelve to twenty-four inches from said radiation disk. 3. The combination of claim 1 wherein said third leg portion has a length which is greater than the distance between said first and second tube members. 4. The combination of claim 1 wherein said protective grill includes an elongated and horizontally extending fourth leg portion which is positioned below said third leg portion and which is parallel to said third leg portion. 5. The combination of claim 1 wherein said wheeled frame includes an elongated axle at the second end thereof which extends between the first and second sides of said wheeled frame with said axle having a rotatable wheel at each of the ends thereof. 6. In combination a portable infrared heater and a protective grill for use with said infrared heater; Said portable infrared heater comprising a wheeled frame having a first end, a second end, a first side and a second side and a radiation disk having upper and lower ends, at said second end thereof which directs infrared rays outwardly from said second end thereof;said protective grill for use with said infrared heater comprising;a. a first elongated, generally horizontally disposed hollow tube member, having first and second ends, which is connected to said wheeled frame at said first side thereof;b. said first tube member being positioned in a plane, between said upper and lower ends of said radiation disk;c. a second elongated, generally horizontally disposed hollow tube member, having first and second ends, which is connected to said wheeled frame at said second side thereof;d. said second tube member being positioned in a plane between said upper and lower ends of said radiation disk;e. a generally horizontally disposed first leg portion having first and second ends;f. a generally horizontally disposed second leg portion having first and second ends;g. an elongated and generally horizontally disposed third leg portion having first and second ends;h. said first leg portion including a first leg member, having first and second ends;i. said first end of said first leg member of said first leg portion being selectively removably received in said second end of said first tube member;j. said first leg portion also including an intermediate leg member, having first and second ends, which extends laterally and outwardly from said second end of first leg member of said first leg portion;k. said first leg portion also including an outer leg member, having first and second ends, which extends outwardly from said second end of said intermediate leg member of said first leg portion so as to be parallel to said inner leg member thereof;l. said second leg portion including a first leg member, having first and second ends;m. said first end of said first leg member of said second leg portion being selectively removably received in said second end of said second tube member;n. said second leg portion also including an intermediate leg member, having first and second ends, which extends laterally and outwardly from said second end of said first leg member of said second leg portion;o. said second leg portion also including an outer leg member, having first and second ends, which extends outwardly from said second end of said intermediate leg member of said second leg portion so as to be parallel to said inner leg member thereof;p. said first end of said third leg portion being connected to said second end of said outer leg member of said first leg portion;q. said second end of said third leg portion being connected to said second end of said outer leg member of said second leg portion;r. said third leg portion being positioned at least twelve inches from said radiation disk when said first end of said first leg member of said first leg portion is received by said second end of said first tube member and said first end of said first leg member of said second leg portion is received by said second end of said second tube member. 7. The combination of claim 6 wherein said third leg portion of said protective grill member is positioned at least twelve to twenty-four inches from said radiation disk. 8. The combination of claim 6 wherein said third leg portion has a length which is greater than the distance between said first and second tube members. 9. The combination of claim 6 wherein said protective grill includes an elongated and horizontally extending fourth leg portion which is positioned below said third leg portion and which is parallel to said third leg portion. 10. The combination of claim 6 wherein said wheeled frame includes an elongated axle at the second end thereof which extends between the first and second sides of said wheeled frame with said axle having a rotatable wheel at each of the ends thereof.
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이 특허에 인용된 특허 (5)
Artt, Paul R., Forced convection and radiant heat cooking.
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