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Publication numberUS1181790 A
Publication typeGrant
Publication dateMay 2, 1916
Filing dateNov 28, 1914
Priority dateNov 28, 1914
Publication numberUS 1181790 A, US 1181790A, US-A-1181790, US1181790 A, US1181790A
InventorsGeorge A Newman
Original AssigneePeter Degenhardt, George A Newman
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
US 1181790 A
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)




1, 181 ,790. Patented May 2, 1916.


in/1mm 7 QA Veu maW G. A. NEWMAN.



1,181 ,790. Patented May 2, 1916.






Specification of Letters Patent.

Patented May 2, 1916.

Application filed November 28, 1914. Serial No. 874,476.

To all whom it may concern:

Be it known that I, GEORGE A. NEWMAN, a citizen of the United States, residing at Jersey City, in the county of Hudson and State of New Jersey, have invented certain new and useful Improvements in Combination-Locks; and I do hereby declare the following to be a full, clear, and exact description of the invention such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to new and useful improvements in combination locks, and has for its principal object to simplify and cheapen the construction of such locks.

Another object of the invention is to provide an eflicient lock in which it is impossible to remove the shackle without first setting up the proper combination.

With these and other objects in view, the invention consists in the novel combination and arrangement of parts which will be fully set forth in the following specification and accompanying drawings, in which,

Figure 1 is a vertical sectional view of a lock constructed in accordance with this invention showing the same in its locked position, Fig. 2 is a view similar to Fig. 1 showing the device in its unlocked position, Fig. 3 is a vertical sectional view taken on line 33 of Fig. 1, Fig. 1 is a top plan view of the lock casing, the shackle being in section to more clearly illustrate the details of construction, Fig. 5 is a horizontal sectional view taken on line 5-5 of Fig. l, and Fig. 6 is an enlarged detail sectional view of the lower bearing for the shackle.

Referring now to the drawings by characters of reference, the numeral 1 designates the lock casing which is preferably rectangular and formed at its upper end with the apertures 2 which are in longitudinal alinement. A plurality of apertures 3 are formed in the side walls of the casing and these apertures are opposite each other and designed to receive the locking disks, which will be more fully hereinafter described.

The shackle, which is designated generally by the numeral 4, comprises the U shaped body 5, having formed thereon the short arm 6 and long arm 7. This short arm 6 is provided with a pair of spaced lugs 8, the use of which will appear as the description proceeds. A plurality of similar lugs 9 are formed on the arm 7 at spaced intervals and are arranged to cooperate with the locking disks hereinbefore mentioned.

The locking disks hereinbefore mentioned are designated by the numeral 10, and comprise the circular bodies 11 having formed therein the central apertures 12, and these bodies are also provided with the notches 13 which open into the apertures 12 as clearly shown in Fig. 5. A plurality of characters 14 are formed near the periphery of each of the disks 10 and are arranged to enable the user to determine the position of the disks.

Interposed between the disks 10 are the coil springs 15 which are designed to bear against the disks and hold the same against accidental movement. Formed between the walls of the casing 1 is the bearing element 16 having formed therein the aperture 17 which has opening thereinto the groove 18, which groove is arranged to aline with the lowermost lug 9 when the lock is in its locked position.

It will be apparent from the foregoing that in use when it is desired to lock the device, the shackle is hooked over the article which is to be kicked and then turned so that it lies parallel with the longitudinal plane through the apertures 2, at which time the same is forced inwardly thereby assuming the position illustrated in Fig. 1. In pushing the shackle inwardly it will be apparent that the lugs 9 and 8 will pass through their respective slots 13 until the lowermost lug 9 rests in the slot 18 and one of the lugs 8 will rest beneath the disk and then upon turning the disks it will be apparent that the alinement of the several grooves 13 with the groove 18 will be destroyed and any movement of the shackle prevented. When it is desired to unlock the device the person knowing the combination, by setting up the proper characters 14 which are visible bevond the edges of the lock, it will be evident that the several grooves will be alined and 100 the shackle may be withdrawn.

While in the foregoing there has been shown and described the preferred embodiment of this invention, it is to be understood that such changes may be made in the 105 combination and arrangement of parts as will fall within the spirit and scope of the invention as defined in the appended claim.

What is claimed is:

A lock of the class described comprising 110 a casing provided at its upper end with a pair of spaced apertures, the side Walls of said casing provided'with a plurality of apertures at spaced distance apart, a plurality of disks provided on their upper faces adjacent their periphery With a plurality of characters positioned through the openings in the side walls of the casing being in direct alinement with the openings in the top Wall thereof, said disks provided with central openings and having recesses communicating With said openings, a shackle having a longer and shorter arm, the longer arm provided with a plurality of spaced lugs formed at intervals and arranged to 006perate with the openings and recesses in the disks, a bearing member formed between the side walls of said casing adjacent the bottom thereof, the upper face of said bearing member provided with an aperture, a groove communicating with said aperture adapted to receive the lowermost lug of the longer arm of the shackle when in a locked position, lugs formed on the end of the shorter arm at spaced distance apart, one of said lugs adapted to be positioned below and one HbOXe the disk when in a locked position, springs surrounding the longer arm of said shackle and disposed between the locking disks holding the said disksagainst accidental rotation, substantially as described.

I n testimony whereof I afiix my signature.

GEORGE A. NEWMAN. \Vitnesses:


Copies of this patent may be obtained for five cents each, by addressing the "Commissioner of Patents, Washington, D. C.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US5829179 *Aug 1, 1997Nov 3, 1998Carter; Robert L.Tamper resistant trigger blocking device
US6851285 *Sep 29, 2003Feb 8, 2005David J. HaasKeyless locking device
WO2005035917A1 *Jun 4, 2004Apr 21, 2005Tecco IncKeyless locking device
U.S. Classification70/25, 70/328, 70/293, 70/312
Cooperative ClassificationE05B37/025