Dust collector shroud专利检索-混凝土搅拌车商用车专利检索查询-专利查询网

Dust collector shroud

阅读：114发布：2021-07-19

专利汇可以提供Dust collector shroud专利检索，专利查询，专利分析的服务。并且A collapsible shroud prevents the escape of cement dust or other dust into the atmosphere when filling a transit mix concrete truck from a batch plant loading station. The shroud is raised to provide clearance for positioning the truck and its filler member relative to the discharge chute of the batch plant. The shroud is made of accordion-pleated material, and is movable about a pivot to encompass and loosely enclose the exposed portion of the truck filler member. A suction tube extends into the interior of the shroud for removing dust generated during gravity discharge of materials from the discharge chute into the filler member. The shroud may contain small apertures for air entry to prevent buildup of dust on the inner walls of the shroud.，下面是Dust collector shroud专利的具体信息内容。

权利要求

1. For use between the gravity discharge chute of a materials supply device and the filler chute of a mobile container, the improvement comprising, in combination: a frame adjacent said discharge chute, a dust-confining shroud having a first portion fixed to the frame and a second portion pivotally mounted on the frame, means on said frame for pivoting the second portion of the shroud from an inoperative position to an operative position encompassing and loosely enclosing the exposed portion of the filler chute, and a suction means for removing from the shroud dust generated during gravity discharge of materials from said discharge chute into said filler chute.

2. The combination set forth in claim 1 in which the suction means comprises a suction tube extending into the interior of the shroud.

3. The combination set forth in claim 1 in which the shroud is formed of pleated material to permit pivotal movement through an arc extending 45*.

4. The combination set forth in claim 1 in which reversible means are provided on the materials supply device for raising said frame and shroud to provide clearance for positioning the mobile container and filler chute relative to said discharge chute.

5. For use between the gravity discharge chute of a materials supply device and the filler member of a mobile truck, the truck having a rotary mixing drum with an open end receiving the filleR member, the improvement comprising, in combination: a frame adjacent said discharge chute, a dust-confining shroud movably mounted on the frame, reversible means on the supply device for raising said frame and shroud to provide clearance for positioning the truck and filler member relative to said discharge chute, means on said frame for moving the shroud from an inoperative position to an operative position encompassing and loosely enclosing the exposed portion of the filler member, and a suction tube extending into the interior of the shroud for removing dust generated during gravity discharge of materials from said discharge chute into said filler member.

6. For use between the gravity discharge chute of a materials supply device and the filler member of a mobile truck, the truck having a rotary mixing drum with an open end receiving the filler member, the improvement comprising, in combination: a frame adjacent said discharge chute, an accordion-pleated dust-confining shroud having a first portion fixed to the frame and a second portion pivotally mounted on the frame, reversible means on the materials supply device for raising said frame and shroud to provide clearance for positioning the truck and filler member relative to said discharge chute, means on said frame for pivoting the second portion of the shroud from a substantially horizontal inoperative position to an operative position encompassing and loosely enclosing the exposed portion of the filler member, the shroud in operative position providing clearance spaces between the shroud and the truck for entry of ambient air into the shroud, and a suction tube extending into the interior of the shroud for removing dust generated during gravity discharge of materials from said discharge chute into said filler member.

7. The combination set forth in claim 6 in which portions of the pleated shroud are provided with air inlet apertures.

说明书全文

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Dust collector shroud

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