US746915A

US746915A - Sectional bookcase.

Info

Publication number: US746915A
Application number: US10219002A
Authority: US
Inventors: Robert Bauch
Original assignee: Individual
Current assignee: Individual
Priority date: 1902-04-10
Filing date: 1902-04-10
Publication date: 1903-12-15
Anticipated expiration: 1920-12-15

Description

No. 746,915. PATBNTED DBC. 15, 190s. vPMBAUGH@ SEGTIONAL BooKoAsE.

APPLIUTION FILED APRlO, 1902. N0 MODEL. 3 SHEETS-SHEET 1.

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PATENTED DEG. 15, 1903. R.. BAUCH..

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SECTIONAL BOOKGASE. APPLIGATION FILED APR. 1o, 1902.

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N0. 746,915. IPA'ENTED DEC. l5, 1903.

R. MUCH.

SECTIONAL B'KASE.

APPLITION FILED APR. 10, 1902. No MODEL. 3 SHEETS-SHEET 3- end sections with the securing meansfor said UNITED ST-.f-wms Patented '.ecember 15, 1903.

ROBERT BAucH. oF RocKFoRD, ILLiNoIs.

S'CTIONAL BOOKCASE.

SPECIFICATION forming part of Letters Patent No. 746,915, dated December 15, 1903.

l Application filed April 10. 19.0.2. Serial No. 102,190. (No model.)

To all whom, it inlay concern:

Be it known that I, ROBERT BAUCH, a citi; zen of the United States, residing at Rockford in the county ofWinnebago and StateofIlli-l nois, have invented certain new and useful Improvements in Knockdown Sectional Bookeases, of which the following is a specifica.

tion.

One of the objects of this invention is the production of a sectional bookcase, certain of the sectional units of which case may be taken apart for shipment or storage.

A further object of this invention is the production of a means for holding the end pieces shelves.

A further object of this invention is the production of a means for permitting the ready insertion or withdrawal of the door of anyV section from its position in said section.

A further object of this-invention is the production of a means for reti-acting the door when the same is opened and for. holding said door tightly shut whenit is closed.

In the accompanying drawings, Figure l is a longitudinal Vertical section through a bookcase made up of a base, a top. and three intermediate knockdown sections. Fig. 2 is a transverse vertical sectional view through suchacase. Fig. 3 isa perspective view illustrating the means employed for securing the end sections in vertical series, also for securing in place the partitions or shelves. Fig. 4 is a plan View showing the rear side of a door for closing the forward side of one of the sectional units ofthe bookcase. Fig. 5 is an enlarged detail view showing in vertical section the joint between the end members of the case, the shelf being in dotted lines. Fig. 6 is a section on dotted line 6 6 of Fig. 5. Fig. 7 is a fragmental under side View of the shelf. Fig. 8 is a side View of one of the guides for f the door of the bookcase. Fig. 9 is a fragmental View showing 'the means of securing the retracting-spring to the back panel of each section. Fig. 10. is a sectional view on dotted line 10 10 of Fig. 11, showing the position of the spring when the door is closed. Fig. 11 isa transverse Vertical section on dottedrline 11 11 of Fig. 10, showing the door closed. Fig. 12 is a similarv view showing the position of the parts when the door is open. Figs. 13, 14, and 15 illustrate a modified means for securing the end pieces in vertical series and for supporting the partitions or shelves, Fig. 13 representingatransverse vertical section through acase embodying said modified form of my invention, Fig. 14 a longitudinal vertical section on dotted line 14 14 of Fig. 13, and Fig. l5 in perspective the parts that meet to form the joint between the end sections of the units and the partitions or shelves between said units.

In the construction of a bookcase embodying my invention I provide a base-section A, comprising the front wall A, the end pieces A2, provided near their rear edges with the grooves A3 and the back panel A4, adapted to lie within said grooves.

The top section B comprises affront B', end

pieces B2, having grooves B3 near their rear edges, a ,back panel B4 lying within said grooves, anda top B5.

The 'intermediate or book sections C each comprise a shelf C', having a dovetail C2 at each of its ends and a groove C3 near its rear edge on both its upper and its lower face. On its lower side and at each end thereof it also has-a semicylindrical' pocket C4, extending transversely through the lower part of the dovetail G2. Each book-section further comprises a door O5, two end pieces C6, and a back panel G7. The two end pieces C6 have horizontalgrooves C8 for receiving rollers C9 and O10, upon which the door C5 is pivotally mounted,` and at their forward ends the grooves CS are provided with pockets Cm, into which said rollers drop when the door is in its vertical or normal position. To provide for the ready removal of the door, the roller C9 is'rotatably mounted at the free end of a -leaf-s ring@12 whichs ring is secured to one P e 1 P IOO mortise cut into the door-frame. The inner side of the door-frame is provided with two hooks C13, forming the attaching means for` the retracting-spring, to be hereinafter described. Near their rear edges the end pieces C6 are grooved vertically to receive the back panel C7 and at their bottom edges on their outer faces are provided with the cleat O14 to hide the joint between vertically-adjacent end pieces. its horizontal sliding movement in the upper part of the bool section, I provide two guides C15, in this instance formed from wire, one of which guides is secured to each end piece near the forward edge of said end pieces on its inner face and at a point directly beneath the groove C8. The point of the wire forming the guide C15 is driven into the body of the end piece C, and its looped end C16, elongated to act as a runner or shoe, enters the groove C17, formed in the inner face of the door-frame near each end of the door C5. The strip of material remaining above the groove O8 is strengthened by driving the pins C18 kinto suitable openings formed in the end pieces C6.

The joint between the end piece A2 of the base-section A and the end piece C6 of the A book-section C and between the end pieces of the book-section and the end piece B2 of the top section B is a modilied tongue-and-groove connection. It comprises an upwardly-extending flange D on the (relatively) lower end piece, and a groove D', formed between two flanges D2 and D3 of the next higher end piece. The flange D2 rests upon a shoulderDi, formed on the lower member, and the lower end of the flange D3 is undercut to correspond with an undercut shoulder D5 near the upper edge of the lower member, said undercut flange and shoulder forming between them an unde rcut groove D6, adapted to receive the dovetail C2 at the end of the shelf C. Near the middle of the undercut shoulder D5, I insert into a suitable opening in the end piece a pin D7, the upper semicylindrical side of which pin is adapted to coincide with and lie within the pocket C4 in the under side of the shelf C, the purpose of the pin and pocket being to hold the shelf C in its proper position. To aline the end pieces, a similar pin D8 is provided in the groove D of the (relatively) upper end piece and a notch D9, formed in the ange D of the adjacent lowerend piece.

A retracting-spring E, having eyes E' at its c vends and an offset bend E2near its middle, is

secured to the back panel C7 by means of the bracket E3. The eyes E are connected with the hooks C13 by means of the flexible loops E4 of cord or other suitable material. The offset bend at the center of the spring E .prevents it from endwise movementand holds it from turning. When the door is closed, the spring E is exed, and the tendency of said spring is to hold the door tightly shut, inasmuch as the hooks C13, forming the attach- To aid in guiding the door in ment between the door and the spring, are

below' the pivotal center of the door. When the door is raised into horizontal position, the pull of the spring is directly parallel with the grooves C8, in which the rollers C9 and C10,

upon which the door is mounted, are intended to run.

In the modification shown in Figs. 13, 14, and l5 the shelf F is provided in its end with an undercut groove F to receive the dove tail rib F2 of a casting F3, the flanges F4 of Which casting are adapted to lie in the grooves F5 and F6 in the coinciding faces of adjacent end pieces.

In assembling the parts of this bookcase a shelf C is laid upon the base A, end pieces C6 then put in place, a back panel C7 slid into the grooves in the end pieces and the groove C3, and a shelf C put in position. A second book-section is assembled when two more end pieces are set up, another back panel slid into the grooves in the end pieces and the groove C3, and another shelf added. The-case is thus erected to the desired height, when the top B is put bodily in position. The doors are hung by depressing the spring` C12, placing the supporting-rollers C9 and O10 at the ends of the door into the grooves C8 in the inner faces of the end pieces C6, and releasing the spring O12. The retractingspring E is then connected with the door by means of the flexible loops E4. The retracting-spring E holds the door normally tightly closed. When the door is raised into horizontal position, the spring slides it inward in the upper part of the section, the rollers C9 and C10 traveling in the grooves C8 and the guide-shoes C16 in the grooves C17 in the doorframe. The retracting-spring E pulls equally upon opposite ends of the door, thus moving it evenly and smoothly within the grooves C8 and obviating a binding of said door within said grooves caused by one end of vthe door moving in advance of the other end. When the door is being raised into a horizontal position, its rear edge strikes against the guides C15, raising the rollers C9 and C10 from the pockets C11 at the forward end of the grooves C8. In ordinary use the door is not raised to its upper limit, and the rollers remain normally in said pockets.

In packing my improved case for shipment or storage all parts except the base A and the top B are separated into their elements and laid flat. The parts of the top and the base are fixed rigidly together.

It is clear that the lower shelf C might be formed rigid with the base A, that the shelf C, which is placed upon the upper end of the uppermost end pieces C6, might be made a part of the top B, that the door C5 might be wholly omitted, that many changes in the form of joint between adjacent end pieces and between the end pieces and the base and the top might be made, that modifications of the joint for connecting the shelf with the IIO of construction might also be made without` departing from the scope and spirit of my invention, wherefore I wish to have it understood that I-do not intend to limit myself to the exact form and arrangement ot` parts herein shown and described, but consider the construction shown herein merely one of several that embody my said invention as fully as the form and arrangement herein set forth.

I claim as my inventionl. In asectional bookcase, in combination, a section comprising two end pieces; and a superposed section comprising two end pieces, a shelf having dovetail ends,and a back panel, each of said parts being freely separable from all the others, the end pieces at each side of the bookcase being connected by a tongueand-groove joint, which joint also provides an undercut channel for receiving the dovetail ends of said shelf.

2. In a sectional bookcase, in combination, a base; a top; and an intermediate section coinprisinga shelf having dovetail ends, two end pieces, a back panel, and a door, the end pieces being connected to the base by means of a tongue-andgroove joint, said joint also providing an undercut channel for receiving the dovetail ends of said shelf.

3. In a sectional bookcase, in combination, a base having a tongue projecting upwardly therefrom and two shoulders, one of which is undercut; and a book-section comprising two end pieces and a back panel, each of said end pieces having two tongues at one edge, one of said tongues being undercut to form with said undercut shoulder an undercut groove, and a shelf having a dovetail end adapted to lie within said undercut groove.

4. In a sectional bookcase, in combination, a base; a top; a plurality of intermediate sections, each of which sections comprises ashelt, two end pieces and a back panel, each of said end pieces being provided at one edge with two tongues, one of which is undercut, and

at its opposite edgek with a single tongue and two shoulders, one of which shoulders is uudercut,said base beingprovided with a tongue and two shoulders, one of which shoulders is undercut, and the top being provided with two tongues, one of which tongues is undercut; and an additional shelf for the top of the uppermost section, all of said shelves having dovetail ends.

5. In a sectional bookcase, in combination, a base; a top; a plurality of intermediate sections, each ofwhich sections comprises ashelf, two end pieces and a back panel, each of said end pieces being provided at one edge with two tongues, one of which is undercut, and at its opposite edge with asingle tongue and two shoulders, one-of which shoulders is undercut, also at its rear edge with a groove for receivingsaid back panel, said base being provided with a tongue and two shoulders, one of which shoulders is undercut, and the top being provided with two tongues, one of which tongues is undercut; and au additional shelf for the top ofthe uppermost section, all of said shelves having 4dovetail ends and being provided with grooves on their rear edges on .both their upper and their lowercfaces for the reception of said back panels.

6. In a bookcase, incombination, two end pieces, each having a groove on its inner side near its upper end; a door provided with rollers adapted to move in said grooves, said door having a groove formed near each of its ends on its inner face; and a guideshoe secured to each of said end pieces, adapted to enter the grooves in said door when said door is moved into a horizontal position.

'7. A joint for two adjacent members of a knockdown sectional bookcase,pwhich joint comprises a tongue on one of said members, and a shoulder formed on each side of said tongue, and a pair of tongues on the other member forming between them a groove for the reception of said first-mentioned tongue, one tongue of the pair of tongues being adapted to rest upon one of said shoulders, and the other tongue and the other shoulder being undercut to form conjointly the side walls of an undercut groove adapted to receive thedovetail ends of a shelf of the'case.

8. A joint for two adjacent side members of a knockdown sectional bookcase and a shelf of said case, which joint comprises a rtongue on one of thefside members and va shoulder formed on each side of said tongue, a pair of tongues on the other member forming between them a groove for the reception of said iirst-mentioned tongue, one tongue of the pairof tongues being adapted to rest upon one of said shoulders, and the other tongue and the other shoulder being undercut to form conjointly the side walls of an undercut groove, the ends of said shelf being dovetail to enter said undercut groove.

9. A joint for two adjacent members of a knockdown sectional bookcase, which joint comprises a tongue on one of said members, said tongue having a notch near its middle portion and a shoulder formed on each side of said tongue, and a pair of tongues on the other member forming between them a groove for the reception of said first mentioned tongue, one tongue of said pair of tongues being adapted to rest upon one of said shoulders and the other tongue and the other shoulder being. undercut to form conjointly the side walls of an undercut groove, the ends of said shelf being dovetail to enter said undercut groove, also being provided wit'ha pocket, a pin insaid undercut shoulder for entering said pocket to hold the shelf in position with relation to the end pieces, and a pin extending between the two tongues of said pair of tongues adapted to enter the notch in saidv ICO single tongue to hold said end vpieces in Verof said leaf-spring; and a. similar roller rotatical alinement. tably mounted ab the opposite end of said l0. A door for sectional bookcases, having door. a mortise-opening formed in one of itis ends; 5 a leaf-spring fixed to said door and extend- Witnesses:

ing over Said opening; a supporting-roller fol' C. J. LUNDBERG, the door, rotatably mounted at; the free end ALICE JACOBSON.

ROBERT BAUCH.