Glovebox plug for glove changing
This patent describes a plug for isolating the interior of a glovebox from the atmosphere when replacing a glove. It comprises: a rod having a circular cross-section which is threaded for a portion of its length starting at one end and which has a handle at the non-threaded end; a stop nut threaded onto the rod and located near the end of the threaded portion which is nearer the handle; a first circular flat plate having a diameter less than that of a glove opening of the glovebox and having a first guide ring attached to it, the plate being slidably mounted on the rod by means of a hole in the center of the plate; a bearing holder containing a thrust bearing, both slidably mounted on the rod between the stop nut and the first plate, where the bearing is in contact with the first plate; a second circular flat plate having a diameter less than that of the glovebox glove opening, having a second guide ring attached to it, and having a central hole and a threaded hub attached to the plate, a closure nut threaded onto the rod at the end of the rod opposite the handle and adjacent to the second plate, the first guide ring, which is a hollow cylinder having a diameter less than that of the plates, having a first end attached to the first plate, and having a length which defines the minimum spacing between the first plate and the second plate, where the central axis of the ring coincides with the rod and where the ring has a slot extending along its length parallel to its axis; the second guide ring.
- Assignee:
- Dept. of Energy, Washington, DC (United States)
- Patent Number(s):
- US 5104206; A
- Application Number:
- PPN: US 7-680975
- OSTI ID:
- 5097495
- Resource Relation:
- Patent File Date: 5 Apr 1991
- Country of Publication:
- United States
- Language:
- English
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