Browse Prior Art Database

Fingerstock Expander

IP.com Disclosure Number: IPCOM000090898D
Original Publication Date: 1969-Aug-01
Included in the Prior Art Database: 2005-Mar-05
Document File: 2 page(s) / 30K

Publishing Venue

IBM

Related People

Lockhart, MA: AUTHOR

Abstract

Frame 10, drawing A, against which a door or cover 12 is to be closed is not always of a uniform surface level. For example, corner joints 14 have a raised surface 16 with respect to frame 10 as in drawing B. The connection between frame 10 and door 12 is made by fingerstock 18. This is made of a metallic spring material having a plurality of fingers 19. Each of these forms a good contact between frame 10 and door 12 when closed. These contacts provide electro magnetic connections between the area of frame 10 contacted by door 12. Vertical frame member 20 has schim 22 attached to it to bring the level of member 20 up to surface 16 of joint 14 so that fingerstock 18 has a continuous level surface against which it is pressed when door 12 is closed.

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Fingerstock Expander

Frame 10, drawing A, against which a door or cover 12 is to be closed is not always of a uniform surface level. For example, corner joints 14 have a raised surface 16 with respect to frame 10 as in drawing B. The connection between frame 10 and door 12 is made by fingerstock 18. This is made of a metallic spring material having a plurality of fingers 19. Each of these forms a good contact between frame 10 and door 12 when closed. These contacts provide electro magnetic connections between the area of frame 10 contacted by door
12. Vertical frame member 20 has schim 22 attached to it to bring the level of member 20 up to surface 16 of joint 14 so that fingerstock 18 has a continuous level surface against which it is pressed when door 12 is closed. The necessity for schim 22 can be eliminated by the arrangement, shown in drawings A and B, which provides for inserting expander 24 between channel 26, which carries fingerstock 18, and fingers 19 so that such fingers extend further out to adapt to a recessed frame level. Expander 24 slides into the same channel 26 as fingerstock 18 and thus is firmly held. The outwardly extending portion 28 of expander 24 extends fingers 19 outwardly a greater distance depending upon the size of expander 24. In drawing B, the upper horizontal section of fingerstock 18 in door 12 has an expander 24 inserted in it only partway. Expander 24 extends only along that part of fingerstock 18 which contacts recessed surface...