Claims
- 1. In a fuel control system for a fuel burning apparatus or the like having a source of fuel adapted to be interconnected by a passage defining means to main burner means of said apparatus, the improvement comprising a fuel control device disposed in said passage defining means and having poppet valve means that is directly manually operated for opening and closing said passage defining means so as to control the flow of fuel from said source to said main burner means, said control device having a selector means operatively interconnected to said poppet valve means to operate the same between its opened and closed positions, said selector means having latch means for latching said selector means in its off position when said poppet valve means is in its closed position, said control device having latch means cooperable with said latch means of said selector means for latching said selector means in said off position thereof, said selector means being axially movable to clear said latch means of said selector means from said latch means of said control device, said selector means being rotatable in the unlatched condition thereof to operate said poppet valve means, said latch means of said control device comprising a cam surface having a drop-off, said latch means of said selector means comprising a tang that cooperates with said drop-off of said cam surface to latch said selector means in said off position thereof, said cam surface being relatively long and gradual to permit said tang to ride up the same to said drop-off thereof without excessive feel of axial movement of said selector means as said selector means is moved to said off position thereof.
- 2. A fuel control device having passage defining means for interconnecting a fuel source with a main burner means and having poppet valve means that is directly manually operated for opening and closing said passage defining means so as to control the flow of fuel from said source to said main burner means, said control device having a selector means operatively interconnected to said poppet valve means to operate the same between its opened and closed positions, said selector means having latch means for latching said selector means in its off position when said poppet valve means is in its closed position, said control device having latch means cooperable with said latch means of said selector means for latching said selector means in said off position thereof, said selector means being axially movable to clear said latch means of said selector means from said latch means of said control device, said selector means being rotatable in the unlatched condition thereof to operate said poppet valve means, said latch means of said control device comprising a cam surface having a drop-off, said latch means of said selector means comprising a tang that cooperates with said drop-off of said cam surface to latch said selector means in said off position thereof, said cam surface being relatively long and gradual to permit said tang to ride up the same to said drop-off thereof without excessive feel of axial movement of said selector means as said selector means is moved to said off position thereof.
Parent Case Info
This is a division of application Ser. No. 530,605, filed Dec. 9, 1974, now U.S. Published Patent Application No. B530,605 which is Continuation-in-Part of its parent copending application, Ser. No. 443,783, filed Feb. 19, 1974, now abandoned and which, in turn, is a Continuation-in-Part of its parent copending application, Ser. No. 380,389, filed July 18, 1973, and now abandoned in favor of its said copending Continuation-in-Part application.
US Referenced Citations (3)
Divisions (1)
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Date |
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530605 |
Dec 1974 |
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Continuation in Parts (2)
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443783 |
Feb 1974 |
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Parent |
380389 |
Jul 1973 |
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