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Publication number
US2240551A
US2240551A US29950039A US2240551A US 2240551 A US2240551 A US 2240551A US 29950039 A US29950039 A US 29950039A US 2240551 A US2240551 A US 2240551A
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Grant
Patent type
Prior art keywords
leaf
movable
cam
figure
fixed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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Inventor
Cooper Joseph
Original Assignee
Cooper Joseph
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B1/00Extensible tables
    • A47B1/02Extensible tables with insertable leaves arranged in the centre and fixed frames

Description

May 6, 1941. J. COOPER 2,240,551

TABLE Filed Oct. 14, 1939 2 Sheets-Sheet 1 1N VE NTOR.

ATTORNEY.

May 6, 1941. J. COOPER 2,240,551

TABLE Filed Oct. 14, 1939 2 Sheets-Sheet 2 z INVENTOR. BY 414L 44.

ATTORNEY.

Patented May (5, I941 s'rrs's rarest FFICE 2 Claims.

The object of the present invention is to provide an extensible table comprising a fixed and concealed center leaf when the table is closed, which leaf remains motionless during the extension of the tables which is effected by moving outward two leaves which normally conceal the center leaf followed by a slight inward movement.

The invention will be described with reference to the accompanying drawings, in which- Figure 1 is a bottom plan view of a table embodying the invention.

Figure 2 is a sectional elevation of Figure 1, on the line 2-2;

Figure 3 is a transverse section on the line 33, Figure 2. I t

Figure 4 is an enlarged fragmentary elevation showing a cam plate and its mode of connection with one of the slide bars which carries a movable leaf.

Figure 5 is a view similar to Figure 2 showing the position of a movable leaf at the end of its outward movement preliminary to inward movement for final positioning.

Figure 6 is a view similar to Figure 5 showing the position of the parts when said movable leaf has been extended, moved inwardly, and finally positioned.

Figure 7 is a perspective view showing one end of the table with its movable leaf removed from the slide bars which normally carry the same.

Referring to the drawings, I have shown at I the vertical legs or supporting members for a frame comprising the longitudinal rails 2 and the transverse or end rails 3.

At the center of the frame, extending transversely thereof, and mounted upon the longitudinally extending rails 3 is a fixed top member 4. Secured to the underface of top member 4 are two sets of cam plates, the first set being indicated at 5 and the second set at 59:. Each set of cam plates may be secured at one end to the appropriate transverse rail 3 of the frame.

Normally lying over and concealing fixed top member 4 are two movable top members 6 and 1. If desired, they may be provided with drop skirts 6a: and fat, respectively.

Carried by the movable top member 6 at its underface are two spaced slide blocks 8 which extend longitudinally of said top member. Each slide block 8 carries a pair of headed studs entering two cam slots formed in the appropriate one of the pair of cam plates 5, the headed studs being indicated at 9. Each cam plate 5 is formed with a guide slot at It with a combined guide and latch slot at H, the latter having a slot under a latch projection 5x.

When the movable leaf is in the position of Figures 1 and 2 and is moved outwardly .the studs s of the slide block 8 will approach downwardly inclined sections of the cam slots I9 and Ii and will finally move down these inclines causing a tilting of the table to the position of Figure 5. In such position, headed stud 9 will lie below cam slot II will be positioned immediately ahead and forwardly of latch projection 5x, as to each of the cam plates and slide blocks. Movable leaf 6 may be tilted to horizontal position and moved into abutment with fixed leaf 4, this movement carrying the inner studs 9 under the latch projections 5w.

It will be understood that in the restoring of leaf ii to the position of Figure 2 the leaf will be moved outwardly to carry the appropriate studs 9 outwardly of the latch projections 5a: whereupon the leaf is tilted to the position of Figure 5 and moved inwardly over fixed leaf 4 until leaf 5 and leaf 1 lie in abutment.

The operation of movable leaf 7 is exactly the same as that of leaf 6 and the cam plates 5a: are operated in conjunction with slide blocks and headed studs of the same construction as those shown with reference to leaf 6 and therefore bearing the same reference numerals.

If desired, the leaves 6 and I may lightly be held into abutment either with themselves or with the fixed leafs through the pressure of light springs I 3, Figure 1, but this is not essential.

Having described my invention, what I claim and desire to secure by Letters Patent, is as follows:

1. In a table, a supporting frame, a fixed leaf carried by the frame centrally thereof, two edgewise movable leaves normally in edge abutment and disposed over and concealing the fixed leaf and a cam control device for each of said movable leaves, said cam control comprising a plate formed with two substantially parallel channelways and an inclined channelway connecting the parallel channelways; a latch projection being formed intermediate the parallel channelways, a block depending from the movable leaf, and an element projecting laterally of the block and entering the said channelway formation, said element resting on a channelway area below the latch projection when the appropriate edgewise movable leaf is in edge abutment with the fixed leaf.

2. In a table, a supporting framaa fixed leaf carried by the frame centrally thereof, two edgewise movable leaves normally in edge abutment and disposed over and concealing the fixed leaf,

a block projected downwardly from each movable leaf and a pair of studs projected laterally therefrom and a cam control device for each of said movable leaves, each cam control device being a plate carried below its appropriate movable leaf and formed with two cam channelways each channelway receiving one of said studs, each channelway extending longitudinally of the JOSEPH COOPER.

US2240551A 1939-10-14 1939-10-14 Table Expired - Lifetime US2240551A (en)

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US2240551A true US2240551A (en) 1941-05-06

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Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2569263A (en) * 1948-01-26 1951-09-25 Gerard J Timmerman Combined kitchen table and folding ironing board
US2695831A (en) * 1951-12-04 1954-11-30 Sigal Solomon Table with drawer and guide
US2964372A (en) * 1958-06-12 1960-12-13 Barler Metal Products Inc Extensible table
US3294042A (en) * 1965-03-09 1966-12-27 Charne Charles Table with self-storing leaf
US4475464A (en) * 1979-05-10 1984-10-09 Allibert Exploitation Expandable table with pivotal panels flanking removable leaf
US4828342A (en) * 1988-10-03 1989-05-09 Alexander Stefan Convertible computer desk
US6145448A (en) * 1999-04-30 2000-11-14 Haworth, Inc. Furniture arrangement having a slidable intermediate table
US20030001464A1 (en) * 2001-04-05 2003-01-02 Kelley James O. Desk with concealed keyboard well
US6742461B1 (en) * 2001-07-13 2004-06-01 Green Continental Furniture (M) Sdn Bmd Extensible table
US20040173127A1 (en) * 2003-03-03 2004-09-09 Ping-Kuei Chiang Leaf table
US20040201204A1 (en) * 2003-04-08 2004-10-14 Haire A. Ralph Cart for inflatable beds
US20070012226A1 (en) * 2005-07-12 2007-01-18 Jra Furniture Industries, Llc. Extendable table
US20070176528A1 (en) * 2004-11-05 2007-08-02 Lg Electronics Inc. Refrigerator with height adjustable shelf
US20070289505A1 (en) * 2006-06-16 2007-12-20 Ronald Roland Turenne Novel enhanced table leaf mechanism and related methods
US20090223423A1 (en) * 2008-02-05 2009-09-10 Meyers David O Surface Expansion Mechanism
US20110247529A1 (en) * 2010-04-13 2011-10-13 Morbidelli Mario Extensible table
US8875637B2 (en) * 2013-03-15 2014-11-04 Inscape Corporation Table access door
US9335089B1 (en) * 2014-11-20 2016-05-10 Electrolux Home Products, Inc. Armless slide under shelf
US9675169B1 (en) * 2016-05-09 2017-06-13 Fang-Hoang Lai Extendable table

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2569263A (en) * 1948-01-26 1951-09-25 Gerard J Timmerman Combined kitchen table and folding ironing board
US2695831A (en) * 1951-12-04 1954-11-30 Sigal Solomon Table with drawer and guide
US2964372A (en) * 1958-06-12 1960-12-13 Barler Metal Products Inc Extensible table
US3294042A (en) * 1965-03-09 1966-12-27 Charne Charles Table with self-storing leaf
US4475464A (en) * 1979-05-10 1984-10-09 Allibert Exploitation Expandable table with pivotal panels flanking removable leaf
US4828342A (en) * 1988-10-03 1989-05-09 Alexander Stefan Convertible computer desk
US6145448A (en) * 1999-04-30 2000-11-14 Haworth, Inc. Furniture arrangement having a slidable intermediate table
US20030001464A1 (en) * 2001-04-05 2003-01-02 Kelley James O. Desk with concealed keyboard well
US6846052B2 (en) * 2001-04-05 2005-01-25 Sligh Furniture Company Desk with concealed keyboard well
US6742461B1 (en) * 2001-07-13 2004-06-01 Green Continental Furniture (M) Sdn Bmd Extensible table
US20040173127A1 (en) * 2003-03-03 2004-09-09 Ping-Kuei Chiang Leaf table
US20040201204A1 (en) * 2003-04-08 2004-10-14 Haire A. Ralph Cart for inflatable beds
US20070176528A1 (en) * 2004-11-05 2007-08-02 Lg Electronics Inc. Refrigerator with height adjustable shelf
US20070012226A1 (en) * 2005-07-12 2007-01-18 Jra Furniture Industries, Llc. Extendable table
US20070289505A1 (en) * 2006-06-16 2007-12-20 Ronald Roland Turenne Novel enhanced table leaf mechanism and related methods
US8100063B2 (en) 2008-02-05 2012-01-24 David O Meyers Surface expansion mechanism
US20090223423A1 (en) * 2008-02-05 2009-09-10 Meyers David O Surface Expansion Mechanism
US20110247529A1 (en) * 2010-04-13 2011-10-13 Morbidelli Mario Extensible table
US8365678B2 (en) * 2010-04-13 2013-02-05 Naos S.R.L Extensible table
US8875637B2 (en) * 2013-03-15 2014-11-04 Inscape Corporation Table access door
US9335089B1 (en) * 2014-11-20 2016-05-10 Electrolux Home Products, Inc. Armless slide under shelf
US9453673B2 (en) 2014-11-20 2016-09-27 Electrolux Home Products, Inc. Armless slide under shelf
US9675169B1 (en) * 2016-05-09 2017-06-13 Fang-Hoang Lai Extendable table

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