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Publication numberUS904777 A
Publication typeGrant
Publication dateNov 24, 1908
Filing dateSep 25, 1906
Priority dateSep 25, 1906
Publication numberUS 904777 A, US 904777A, US-A-904777, US904777 A, US904777A
InventorsHarold E Hawkins
Original AssigneeHarold E Hawkins
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Loose-leaf book.
US 904777 A
Abstract  available in
Previous page
Next page
Claims  available in
Description  (OCR text may contain errors)



Patented Nov. 24, 190%.



. LOOSEsLEAF noox.

No. 904,777. I

I Tooll wh'om it may cdncem;

Be it known that I, HAROLD E. HAWKINS,

a citizen of the United States, residing at parts in such a manner that they may be readily assembled for use, or taken apart when it is necessary to repair or replace worn or broken parts.

silient mein The invention consists in the novel donstruction, combination, and arrangement of parts, hereinafter described, pointed out in the claims, and illustrated in the accompanyi'ngg' drawing, in which: y

' igure 1 represents a vertical section of a loose-leaf book, provided with my improve ments. Fig. 2 is an enlarged vertical section of the samein an open condition. Fig. 3 is a perspective view of a pair of hookrcarrying members, forming part of the invention.

Fig. 4 is a perspective view of a pair of reers for holding thehooks in an open or closed condition. Fig-5 1s a perseveral parts together. as

' frame 1, consisting of a channel-bar having open or closed condition.

spective view of a frame for. holding the In carrying out the invention I employ a a pair of marginal grooves Qin 'its upper edges.

3 designates a hers, having their outer margins arranged in grooves 2. and provide inner margins with longitudinal recesses 4.

5 designates a series of segmental hooks, fixed at their lower ends upon members 3. The upper ends of one set of l100l($ l121\'8 V-shaped tongues 6,- adapted to engage V-shaped grooves 7 in the upper ends of the air of hook-carrying mem Lpivotally opposing members, so that when the hooks are in a closed condition they will be held in alinement with each other.

8 designates forreliabl holding members 3111. engage merit with grooves 2 and the hooks in an Members 8 are Specification of Letters Patent. Application filed September 25,1906 Serial No. 336,135.

at their a pair of resilient members Patented Nov. 24, 1908 I held from Ion itudinal movement by recesses a1, and provi ed with out-turned wings 9, which overlap the adjacent sides of members 3, and. lopps I "members. 3. Loops 10 limit the opening movements of the hooks by contacting' with the under side of members 3, as shown in Fig. .2, and the closing movements of saii hooks by contacting with the lower portion of frame 1, asshown in Fig. 1, the loops be'ing arranged toicontact with said frame simultaneously with the engagement-of the upper ends of the hooks.

11 designates a strip of stifi ma'terial,extending the length of frame 1, and secured a, the under side thereof, by rivets 12. Said strip affords convenient means for the reception of a cover 13,which may be pasted or otherwise secured thereto.

14 designates an arched top plate, extending the length of frame 1, and iremovably secured thereto, by its inwardly curved margins 15, whic'hclasi the outwardly curved margins 16 of the mine. vided for the purpose of covering members 3 and 8, and give a finished appearance to the device, and in order to avoid interfering with the movements of the'hooks, is pro; vided with slots 17, through which said hooks extend. j Having thus described'ihyinvention, what I claim' is:

1. In a device of the character described, a channel-bar,a pair of hook-carrying members pivotallyengaging the same, and a re silient member engaging the adjacent edges of the hook-carrying members, .lior the p111 posedescribe sides of the hook-carrying membersand the frame, and a top plate rcmovably engaging Plate 14 is pro;

2. In a deviceofthe ,characterfdescribed, a frame having a pa r of grooves, hook- 3. In a device of the character described,

the upper portion of the frame, and proterial securedt/othe underside of the channelvided with slots" through which thehooks bar, and a cover secured to said strip. 10 extend. In testimony whereof I aflix my signature,

4. In a device of the character described, in the presence of two witnesses. 5 a channel-bar, a pair of hook-carrying mem- HAROLD E. HAWKINS.

bers ivotally enga ng the same,- a resilient Witnesses: mex'n r engaging t e adjacent edges of the Ross HAWKINS, hock-carrying me bers, a strip 0 stifi ma- F. G. FISCHER.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3105494 *Sep 23, 1960Oct 1, 1963Duncan ResRing binder
US5788390 *Jun 6, 1996Aug 4, 1998Leco Stationery Manufacturing Company LimitedRing binder
US5788391 *Jun 6, 1996Aug 4, 1998Leco Stationary Manufacturing Company LimitedRing binder
US5788392 *Jun 6, 1996Aug 4, 1998Leco Stationery Manufacturing Company LimitedRing binder
US5807006 *Jun 6, 1996Sep 15, 1998Leco Stationery Manufacturing Company LimitedRing binder
US5810499 *Jun 6, 1996Sep 22, 1998Leco Stationery Manufacturing Company LimitedRing binder
US5836709 *Jun 6, 1996Nov 17, 1998Leco Stationery Manufacturing Company LimitedRing binder
US5868513 *Jun 6, 1996Feb 9, 1999Leco Statioinery Manufacturing Company LimitedRing binder
Cooperative ClassificationB42F13/26