Safety enclosure for silos专利检索-安全壳核反应堆核能电厂核能专利检索查询-专利查询网

Safety enclosure for silos

阅读：147发布：2022-02-05

专利汇可以提供Safety enclosure for silos专利检索，专利查询，专利分析的服务。并且This invention relates to a safety enclosure for a silo of the bottom-unloading type in which an access port or manhole is in the bottom floor to permit access to certain parts of the unloading mechanism within the lower part of the silo so as to protect a mechanic against danger resulting from accidental collapsing of silage above the mechanism which could otherwise inundate the mechanic. The enclosure is of the type which has certain parts movable, preferably by power means, between a retracted inoperative position and an extended operative position to dispose an access door substantially vertically when the parts are in the extended operative position so that it may be opened adjacent the unloading mechanism for ready access thereto.，下面是Safety enclosure for silos专利的具体信息内容。

权利要求

1. For use with a silo having bottom unloading mechanism in a lower part of the silo and also having an access port in the bottom thereof adjacent said mechanism, an enclosure comprising in combination, an enclosing shell assembly having a member adapted to be affixed stationarily to the bottom of a silo of the aforesaid type and extending across said access port therein, and another member movable relative to said stationary member and having an outlet door therein operable to permit egress from said shell into the interior of the silo, said movable member being movable relative to said stationary member between retracted inoperative position and an operative extended position adjacent said unloading mechanism to permit servicing the same by an operator while protected by said enclosure.

2. The enclosure according to claim 1 in which said shell has means to pivotally support said outlet door, and means operable to move said movable member between said retracted inoperative and extended operative positions.

3. The enclosure according to claim 2 in which said means to move said movable member comprises power means connected to said movable member and being operable to move the same from one of said positions to the other.

4. The enclosure according to claim 1 in which said outlet door is adapted to be opened when said movable member is in said extended operative position.

5. The enclosure according to claim 4 in which said stationary and movable members have portions thereon adapted to cooperate with each other to provide enclosing side walls operable to prevent ingress of contents of the silo into said shell when said parts parts are disposed either in the operative or inoperative positions thereof and said outlet door is closed.

6. The enclosure according to claim 5 in which said door is connected to a wall of said movable member, said wall having an opening normally closed by said door and said wall being positioned substantially vertical in use when said movable member of said shell is disposed in said extended operative position thereof.

7. The enclosure according to claim 4 in which said stationary member of shell has a pair of sidewalls positioned substantially vertically in use and spaced transversely apart, and said movable member of said shell having similarly spaced sidewalls respectively pivotally connected to said sidewalls of said stationary member.

8. The enclosure according to claim 7 in which said sidewalls of said parts are substantially segmental in shape and said pivots for said sidewalls being disposed adjacent the apexes of said segments.

9. The enclosure according to claim 8 in which said movable member of said shall has an arcuate wall extending between and fixed to the sidewalls thereof and connecting the extremities thereof which are opposite said pivots, said stationary member also having a wall portion extending between the sidewalls thereof and said arcuate wall of said movable member having wiping contact with said wall portion of said sationary member of said shell to provide substantially sealed relationship between said members while said movable member is moving between retracted and extended positions.

10. The enclosure according to claim 7 further including power means connected to said sidewalls of said movable member and operable to extend said movable member to said extended operative position thereof, and said door being positioned between the sidewalls of said movable member adjacent the edges thereof which are outermost from said stationary member when said movable member is in the extended operative position thereof.

11. The enclosure according to claim 10 in which said door is substantially vertical when said movable member is in said extended operative position thereof and said door being supported by said movable member so as to open into said shell.

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Safety enclosure for silos

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