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Class Information
Number: 312/27
Name: Supports: cabinet structure > Disappearing-instrument type > On swingable link or linkage
Description: Subject matter in which the special supporting means is connected to the fixed casing solely by a swingable link or linkage capable of relative motion with reference to the instrument or machine and its support.

Sub-classes under this class:

Class Number Class Name Patents
312/28 With trackway 6

Patents under this class:

Patent Number Title Of Patent Date Issued
8494663 System and method for an electronic interactive switch Jul. 23, 2013
7585033 Multi-functional table Sep. 8, 2009
5368377 Flip-top computer workstation Nov. 29, 1994
5240315 Sewing machine cabinet with manual lift Aug. 31, 1993
4941718 Concealed retractable housings Jul. 17, 1990
4843978 Table with vertically adjustable work surface Jul. 4, 1989
4736690 Lifting table top mechanism Apr. 12, 1988
4616798 Adjustable support for CRT keyboard Oct. 14, 1986
4579397 Sewing machine head lift device Apr. 1, 1986
4574503 Ironing board support for iron and auxiliary steam generator Mar. 11, 1986
4496200 Desk top keyboard display terminal with an articulated keyboard Jan. 29, 1985
4429933 Closing mechanism for a cabinet cover Feb. 7, 1984
4384532 Table extension for the handicapped May. 24, 1983
4279453 Combined chest of drawers and sewing machine table Jul. 21, 1981
4274686 Free arm sewing machine cabinet mounting mechanism Jun. 23, 1981
4241961 Two level sewing machine cabinet Dec. 30, 1980
4201427 Sewing machine positioner device May. 6, 1980
4194799 Mounting unit for free arm sewing machine Mar. 25, 1980
4183594 Two level sewing system Jan. 15, 1980
4145096 Dual pivoting panel closure Mar. 20, 1979
4132295 Article-carrying case and attaching and article-supporting hinge unit therefor Jan. 2, 1979
4132454 Three position sewing machine cabinet platform Jan. 2, 1979
4111503 Sewing machine cabinet Sep. 5, 1978
4108512 Cabinet mounting unit for free arm sewing machine Aug. 22, 1978
4089573 Hinge assembly for mounting sewing machine in cabinet May. 16, 1978
4089572 Multiple position sewing machine cabinet May. 16, 1978
4018487 Cam adjustment for tension spring of sewing machine head lifter mechanism Apr. 19, 1977
4005918 Vertically adjustable sewing machine mounting Feb. 1, 1977
3986755 Means for mounting sewing machine in cabinet Oct. 19, 1976

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