US1923308A - Sidereal-civil clock combination and carrying case therefor - Google Patents

Description

Aug. 22, 1933. J. P. v. HEINMULLER SIDEREAL CIVIL CLOCK COMBINATION AND CARRYING CASE THEREFOR Filed Jan. 7, 1931 2 Sheets-Sheet 1 INVENTOR.

M ATTORNEY.

Aug. 22, 1933. P. HEINMULLER 1,923,308

SIDEREAL CIVIL CLOCK COMBINATION AND CARRYING CASE THEREFOR Filed Jan. 7, 1931 2 Sheets-Sheet 2 Patented Aug. 22, 1933 SIDEREAL-CIVIL CLOCK communion ANDCARRYING CASE THEREFOR John P. V. Heinmuller, New York, N. Y. ApplicationJanuary 31, 1331. Serial ,No. 507,079 4 claims. '(01. 58-105) My present invention relates to .chronometers and to mountings or containers for the same,

as mountings or containers for chronometers,

. which safely and securely house such chronometers, and which permits the convenient inspection of such chronometers as desired, even under difficult conditions, such as which have been met with, for example, in aviation. and advantages of the devices of the present invention will in part be pointed out in detail hereinafter and will in part be obvious to those skilled in the art to which the present invention relates. 1

In the accompanying specification I shall describe and in the annexed-drawings more or less diagrammatically: exemplify, an illustrative em I bodiment of the present invention. It is, however,

'to beclearly understood that my invention is not limited to the specific embodiment. thereof herein shown and describedfor purposes of illustration only. 7

Referring to the drawings, in which I have more or less diagrammatically exemplifiedthe aforesaid illustrative embodiment of the present invention: i

Fig. 1 is a plan view of the mountingor'container of the present invention in closed position with the dial or face of one of the chronometers covered by the slide; I

Fig. 2 is a plan view of the mounting orxcontainer shown in Fig. 1 of the drawings in closed position with the .dial or face of the remaining chronometer covered by the slide;

Fig. 3 is a plan view of the mounting or container of Figs. 1 and 20f the drawings in open position and with one of the trays removedto make the construction of the device clearer; and Fig. 3a is a longitudinal sectional view taken on line Zia-3a of Fig. 3.

Referring now to the aforesaid illustrative embodiment of the present invention, and with particular reference to the various figures of the drawings illustrating the same, 10 indicates generally the mounting or container for the chronometers in accordance with the principles of the present invention. Said mounting or container, generally designated by reference charac- -ter 10, is preferably in the nature of a box having Other objects a main portion 11 and a cover portion 12 suitably .secured thereto, as by means of the hinges 13. and 1.4. Y i

The bottom of. the is provided withshockuabsorbing or cushioning plate. 15. having the raised side strips 16 and'l'l connected at the tops thereof with asimilar longitudinal raised strip 18. The platev is further provided with a centralinverted T-shaped raised strip 19 having a. T- portion presenting projections 20 and 21 while the lower. ends of the strips 16 and. 17 are turned into present projections 22 and 23 in .a line with the. T-projections .20 and 21.

The plate 15.:and. its associated strips and projections are madepreferabily of aresilient ma:

terial such as sponge, rubber or' the like andthe main .container'.portion..;11

sent a pairof rectangular pockets 24. .and. :25. by

from the following description.

The pockets'24 and25 are respectively receptive of trays 28-and 29. Since the trays .28 and 29'are substantially identical, it will be sufficient. for r the purposes of the present description to describe onlyone of such trays in detail. Each tray comprises a mainbody portion 30 having a well orrecess 31 for receiving the chronometer .32. The recess31. is provided with the channel-led portion 33 so as to receive thestem 33' of the chronometer-32, thestem 33' extending into the stem-receiving pockets 26 or 27, as the case may Turning now to the cover 12 which, as already stated, is hinged to the main box or container portion 11 by means of the hinges 13 and 14, the same comprises the end walls 34 and 35, the forward wall 36 and the rear wall 3'7.

The'cover is provided with a second shockabsorbing or cushioningmeans consisting of a pair of wooden walls 38 intermediate which is secured a thin resilient block 39 made of sponge, rubber or the like. The walls 38 and block 39 having recesses or ports 40 and 41 in register with the chronometer dials carried in the lower, main housing 11, the ports in the upper one of the walls 38 being bevelled at 512 to properly receive the faces of the chronometers referred to. These same upper walls 38 are also provided with channels 43 receptive of the stems 33' of the chronometers when the carriers of the present invention are in their normally closed condition.

Intermediate the upper one of the walls 38' and theupper frame portion 44 of the cover 12 is a glass plate 45' permitting observation of the chronometers through the ports 40 and 41 as will hereinafter be more fullyunderstood. It may here be stated that the chronometer 32 to the left in the various figures of the drawings is a chronometer giving readings of mean solar-or civil time, while the chronometer to the right in the various figures of the drawings is a chronometer giving readings of sidereal time, the former useful for longitude readings by day by the use of the sun or the moon, if visible, and the latter for readings by night by means of the stars. g

The walls or frame 44 may be grooved to receive a slide 467which during the day time may be moved to'cover' up the port 41 corresponding to the sidereal chronometer and during the night timemay be moved to coverup the port 40 coverbriefly summarized as follows: Assuming that-an I observation is intended to be made-of longitude,

for example, during the daytime, the slide 46 is moved'to cover the-observation port 41'over the sidereal chronometer'and the desired obser-' vation is then made with the aid of the time reading on the mean solar or civil chronometer.

Such observations are made by it in the usual.

manner as will be readily apparent to those skilled in the art to which the present invention relates. On the other hand, should it be desired to make an observation of longitude or the like by night, the slide 46 will be moved backto expose the observation port 41 over'the sidereal' chronometer and to cover up the observation port 40 over the mean solar or civiltime chronometer. The desired observation will then be made by means of the sidereal chronometer in the usual way, as will be readily apparent to those skilled in the art to which-the present invention relates.

"It will be noted that the devices of the present invention are compact, convenient to use and provide the necessary protection for such delicate instruments as chronometers. In order that the chronometers may be all the more securely retained in the mounting 10, I may provide suitable locking means, such as the catches 47 and 48 on the under surface of the outer portion 36 of the cover 12 and the locking means 47 and 48' associated with. the forward portion of the main container portion 11, 47" and 48" comprising releasing means for the locking mechanisms 47 and 48', respectively, in a manner which will be readily apparent to those skilled in the art to which the present invention relates.

Other superiorities and advantages of the devices of thepresent invention in mode of construction, operation and use, will readily occur to those skilled in the art to which the present invention relates.

What I claim as my invention is: 1. A container for. chronometers, comprising a main container portion, a plurality of chronom while exposing the remaining'one of the chronometers.

2. A container for chronometers, comprising a 7 main container portion, a pluralityof chronometer trays side by side within said main container portion, acover for said main container portion, a glass in said cover through which chronometer readings maybe made, and an opaque slide in said main container portion, a plurality of removable chronometer trays side by side within said main container portion, 'a cover for saidmain container -portion,'and an opaque slide carried in said cover for covering one or the other of the chronometers, while'exposing the remaining one of the chronometers.

a. A container for chronometers, comprising a main container portion, a plurality'of removable.

chronometer trays side by side within said main container'portion, a cover for said main container portion, a glass in said cover through which chronometer readings may be made, and

an opaque slide 'in said cover for covering the portion of said glass corresponding to one or the other .of.. the"chronometers, while exposing the portion of said glass corresponding to the other chronometer.

JO P. v. HEINMULLER.

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