Receptacles – Outlet or junction box type – Sectional receptacle
Patent
1975-07-11
1976-07-06
Lowrance, George E.
Receptacles
Outlet or junction box type
Sectional receptacle
215307, 220329, 220348, 222508, 222515, A47G 1922
Patent
active
039677486
ABSTRACT:
The disclosure relates to a drinking receptacle and valve means wherein: hot or cold liquids may be safely contained and carried during intermittent drinking such that the liquids cannot be spilled and in the case of hot liquids the valve means is manually operable to open the drinking valve to allow drinking of liquid from the receptacle or container. The valve means comprising a lost motion mechanism coupled with a manually operable plunger such that the manually operable plunger first opens a relief valve to relieve steam and pressure from the interior of the container whereupon the plunger continues its motion to open the drinking valve so as to allow drinking of contents from the receptacle after steam and pressure has been relieved therefrom and to thereby avoid the danger of causing hot coffee or other beverages to gush from the drinking valve when opened. The relief valve being disposed on the opposite side of the cover of the receptacle from the drinking valve so that when the receptacle is tilted for drinking the relief valve is above the normal liquid level so that steam and pressure is relieved before the drinking valve is opened.
The disclosure also relates to a novel poppet valve means and seat structure having a resilient ring shaped valve member disposed on a frusto-conical support and resiliently deflectable into conformity with valve seat means in the cover of the drinking receptacle.
The disclosure also relates to novel plunger guide and cam means for opening the drinking valve and further to resilient means for closing the valve in cooperation with the cam means. Additionally, the disclosure relates further to resilient means in connection with the plunger for closing the relief valve after the drinking valve has been closed during releasing motion of the plunger by the operator or the person drinking from the aforementioned drinking valve.
REFERENCES:
patent: 322569 (1885-07-01), Tafts
patent: 385328 (1888-06-01), Straffin et al.
patent: 656000 (1900-08-01), Wall
patent: 923808 (1909-06-01), Breth et al.
patent: 2027458 (1936-01-01), Tepas
patent: 2122540 (1938-07-01), Sedwick et al.
patent: 2447870 (1948-08-01), Poleyn
patent: 2578201 (1951-12-01), Nicorvo
patent: 2652951 (1953-09-01), Esposito et al.
patent: 3220617 (1965-11-01), Veistrup
Lowrance George E.
Shoap Allan N.
Thermo Seal
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