Opinion of the Court.

the safe, so that the door cannot be opened. In due time, when the cam i is rotated entirely from under the roller S, the latter will drop into the depression h at the inclined plane m, which allows the dog V to fall from behind the safe-bolts, when they may be retracted and the safe opened.

"It will be noted that the dog always tends to turn, on its pivot automatically by gravity, so as to present a free space for the retraction of the bolt-work, and it is held up only for predetermined periods, to be measured by the time mechanism, by the bent lever.

"The seventh-day wheel A has on its periphery a cam projection, n, which rotates once while the depression h rotates seven times, as described, and it is so arranged relatively to the depression h, that on every seventh revolution thereof it is brought under the roller S and holds up the lever R, while the depression h passes under it, so that every seventh day this projection n prevents the safe from being unlocked.

"From the foregoing description the mode of operation will be obvious.

"The time-movements should be set to correct time by bringing the hour-mark on the dial C under the roller S, which is readily done by turning the dial, as the wheels A, B, C, and M turn freely in the direction of the arrow on wheel C, because the ratchets behind wheels H and I do not interfere with motion in that direction, but take up, and, through the force of the time-movements, proceed with, whatever advance of said wheels may be made. The lock should then be set to lock up at any given hour by loosening the thumb-screw Q, and turning the inclined plane k of the wheel B to the mark of the required hour, and then fastening the wheels B and C together by setting the thumb-screw Q. The dial will then indicate the time of locking and unlocking, and the operation of the time-movements will cause the oscillation of the dog into position to obstruct the retraction of the bolt-work in a little time, or at whatever time may have been decided upon, and it will be held there until the time arrives for unlocking, when the continued operation of the time-movements will withdraw its support, and it will fall out of the way.

Opinion of the Court.

"If it is desired to have the safe opened any given amount of time earlier than the set time, say 9 o'clock, the wheel C must be turned, as described, until the time indicated under the roller shall be that amount fast of the correct time, the closing-mark being altered, if desired, to suit the case. If it is desired to open later, the clocks must be stopped until they are slow of the time as much as it is desired the lock shall open later than the set time, correcting the closing-mark, if desired.

"If the wheels A, B, C, and M, are turned, as described, until the cam part n of the wheel A shall be in a position to come under the roller S and keep the lock from opening on Sunday, it will continue to do so on Sunday each week, if the time-movements run on unchanged. Thus, the necessity for setting the mechanism on every Saturday, so that it shall keep the safe locked over Sunday, is obviated, which is a great convenience to bankers, and is, furthermore, a security against neglect to set the mechanism weekly, which might sometimes occur. In case it shall be desired that the lock shall not open for a holiday or other day, the said wheels may be rotated until the cam projection n is in position to come under the roller S and hold up the lever R on such day.

"The lock is affixed to the side F of the safe, as described, to avoid derangement or stoppage of the time-movements by concussion on the door; but it is obvious that it may be affixed to the door without modifying its construction, if desired, that being merely a change of location.

"It is evident that the dog V and the lever R may be one and the same piece. The object of making them in two parts is to save the weight of the part V, which depends upon the pivot 7, from adding to the labor of the time-movements, and also to make the dog or obstruction entirely distinct from the time mechanism.

"I am aware of the patent granted to Williams and Cummings, No. 17,245, and dated May 5, 1857, and do not claim anything shown therein, but intend to limit my claims to comprehend only the improvements I have made over the peculiar combinations shown in that patent, whereby I reduce the number, modify the construction, change the relative

Opinion of the Court.

position and mode of operation of the parts, and simplify my mechanical organization, as will fully appear by comparison. "What I claim as my invention is—

"1. The combination of independent multiple bolt-work with the time mechanism and locking or dogging mechanism of a time-lock, automatically both dogging and releasing the bolt-work at predetermined times, substantially as described.

"2. The combination, in a time-lock, of a continuously revolving adjustable device for determining the time of operation of the unlocking mechanism, a pivoted arm or lever actuated by said device, and a dog or obstruction movable directly by said pivotal arm at regularly-recurring periods, to permit the retraction of the bolt-work, substantially as described.

"3. In a time-lock, the combination of time mechanism, a revolving dial actuated thereby, a dog and suitable connecting mechanism, whereby the continuous revolution of the dial causes the dog to move into the locked and unlocked positions alternately, substantially as described.

"4. In a time-lock, the combination of a continuously-rotating dial and mechanism which causes the lock to lock and unlock automatically, substantially as described.

"5. In a time-lock, a continuously-rotating dial provided with an adjustable device for automatically determining the time of locking, substantially as described.

"6. In a time-lock, the combination, substantially as above set forth, of the time-movements and an adjustable device for automatically determining the time of locking.

"7. In a time-lock, the combination, substantially as above set forth, of the time-movements and two adjustable devices, one for determining the time of locking, and the other of unlocking.

"8. In a time-lock, the combination with the time mechanism and the locking or dogging mechanism, of an adjustable device which, through the continuous operation of the time mechanism, will periodically, or at required times, cause the lock to remain locked during a greater period than twentyfour hours, substantially as described.

"9. In a continuously-running automatic time-lock, the