US309059A - Shutter-fastener - Google Patents

Description

(No Model.)

B. JACOB.

SHUTTER, PASTBNBR.

No. 309,059. Patented Dec. 9, 1884.

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BERNHARD JACOB, OF SELMA, ALABAMA.

SHUTTER-FASTENER.

PECIPIC'ATION forming part of Letters Patent No. 309,059, dated December 9, 1884-.

Application filed July 17, 1884. (No model.)

To all whom, it may concern.-

Be it known that I, BERNHARD JACOB, a citizen of the United States, residing at Selma, in the county of Dallas and State of Alabama, have invented a new and useful Improvement in Blind-Fasteners, of which the following is a specification.

In the accompanying drawings, illustrating my invention, Figure 1 is an inside view in elevation of a pair of window-blinds with my improved blind-fastener attached in position thereto. Fig. 2 is a horizontal section in the line a w of Fig. 1. Fig. 3 isa View of the same, partly in plan and partly in section. Fig. 4 is a detail bottom View of the tube which incloses the actuating-spring and in part the bolt of my improved blind-fastener; and Fig. 5 is a broken sectional view in the line gm; of Fig. 2, looking in the direction of the arrow in the latter figure.

In the figures, A indicates a tube, open at one end and closed at the other, in which is placed a coil-spring, a, with one end abutting against and fastened to the closed end of said tube, while its opposite end is fastened to a pintle, 6 attached to the inner end of a bolt, B, which is made to move to and fro within the tube in the act of locking and unlocking the blind-fiistener. The tube A, at its top and about midway of its length, is perforated, so as to form apintle-way, within which the pintle Z) may travel in the act of locking and unlocking the bolt B, said pintle-waybeing from its initial point f, on top of the tube, spirally curved, as at b, in a downwardly and forward direction toward the open end I) of the tube, and until it reaches the straight pintle portion I) at the bottom of the tube A, and which extends forward in a direct line toward the open end b of the tube, as shown. This pintle-way, partly spiral in form and partly straight, as shown, governs the line of travel of the pintle b, as well as limits the bolt to its full forward and rearward throw, the pintle b traveling in said way during such act.

The tube A, as clearly shown in Fig. 1, is firmly fixed to a foundation-plate, g, which is secured to one blind, 0, while the bolt-clasp B is fastened to the fellow blind O. The bolt B has a lever-plate, as D. This plate has a finger hole or aperture, 6, through it, as shown, and its lower inner portion terminates in a catch, as at t, which, when the blind-lock is in a locked condition, as represented in Figs. 1, 2, and 5, becomes seated in a catch or channel way, 'i, (see Fig. 3,) of a lock-plate, J, which is secured to the window-sill J of the window to which the blinds G O are applied.

In operating the blind-lock the operator places his finger in the aperture e of the lever plate D, then presses laterally in the direction of the arrow, Fig. 2, thus forcing the bolt free from its clasp B, and also compressing the spring a, and moving the bolt laterally to the extent of the straight portion b of the pintle-way, in which the pintle b is by such pressure made to travel, and until the plate D has reached the position shown by dotted lines h in Fig. 1. The operator now turns up vertically the lever-plate D and resumes the lateral pressure upon the bolt in the direction of the arrow. This act causes the bolt B to travel farther in a rearward direc tion, (indicated by the arrow,) the pintle 1) during such act being made to travel in the curved pintle-way b until it has reached its seat b at the top of the tube A, which seat is so formed, as shown, in order to automatically hold the pintle b therein when it is once in position, as represented in Fig. 3. In other words, having reference solely to Fig. 1, the operator presses upon D, thus shoving it to the left-hand, out of lock with the lock-plate J, and until it has reached the dotted lines h. The lever-plate Dis now turned up vertically and pressed upon laterally until it has reached the dotted lines h, which act further compresses the spring a, the pintle b meantime traveling in. the spiral pintle-way 1) until it seats itself in its seat If. I would here state that the spring a need not be fastened perm anently to the pintle b of the bolt B, and when not so fastened the spring will simply be longitudinally compressed, and yet the same movement of the bolt B in the act of locking be attained.

'Having fully unlocked the bolt, as indicated in Fig. 3, the operator, by drawing down upon the levenplate D, will force the pintle b from its seat 6, whereupon the spring a, being released from compression, will instantly force the bolt outwardly from the tube A, and (the blinds being closed, as shown) at the same time throw down the lever-plate I) and cause its catch 2' to enter the eatchway i, as clearly I b, and a lever-plate, D, with a lock-plate, J, shown in Fig. 5, and thus securely lock the and the grooved tube A, provided with a blinds O 0 together, as represented in Figs. 1, spring, a, substantially as and for the purpose 15 2, and 3, against all ordinary intrusion or outdescribed. 5 side effort to unlock the same. Witness my hand in matter of my applica- The above-described fastener I have shown tion for a patent for improvement in blind, applied to window-blinds; but the same may door, and sash fasteners in presence of witalso be applied to doors or window-sash. nesses.

What I claim as my invention, and desire to BERNHARD JACOB.

IO secure by Letters Patent, is Witnesses:

The combination of the laterally-sliding and I J. WV. \VALKER, circularly-turning bolt provided with a pintle, I F. M. LAMAR.

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