Dating clock movements

Dating clock movements

F R B UQ 2,, Application August 14, , Serial No. The escapement in electric clock movements and is more particudevice comprises a balance wheel 9 which operlarly concerned with a clock movement in which ates a pallet IOcontrolling the escape wheel II. The balance wheel 9 is provided with moans under the control of an escapement dea pin 13 fixed to its periphery. The means for vice. The member in spring driving means and the escapement device is pivoted about the fixed point I5 and is are brought into operation with the minimum formed integral with a boss IS- The boss I6 also delay, carries an arm 11 by means of two brackets 18,.

US2146499A - Electric clock movement - Google Patents

Figure l a view in elevation showing my invention applied to the dial-pinion stud of I a clock-movement. My invention relates to an improved removable self-holding washer for use in clock-movements and in kindred situations wherever available, the object being to produce a cheap, convenient, and effective selfholding washer constructed with particular reference to ease of application and removal without mutilation.

WVith these ends in view, my invention consists in a removable self-holding-washer having a central opening, a weakeningnotch in its edge, and a radial opening-andclosing slot entering the said opening from the edge of the washer. In carrying out my invention as herein shown, I employ a washer 4. The said washer is formed in its'outer edge with a weakening-notch 8 which does not intersect the said opening, and with a radial opening- Specification of Letters Patent.

In the use of my improved washer, it is slid over the stud 6 into alinement with the groove 7 therein, and then closed by means ofordinary pliers until the edges of its slot 9 are brought into contact as shown in Fig. When the washer is so pried open it will return to its original form in which it is shown in Fig. In practice it will be found convenient to open the washer by means of ordinary cutting pliers, one jaw entering the notch 8 and the other jaw entering the notch My improved washer will be found 'to be a source of especial convenience t0 the clock-repairer, since he may with any convenient tool, such as a pair of ordinary cutting pliers, remove the washer; without inutilating it, leaving it in condition to be used again.

As applied to the dial-pinion stud of a clock-movement, the washer holds the dial-pinion and the dialwheel carried thereby in place upon the stud. Although I have shownmy improved washer as applied. I claim In a clock-movement, the combination with a stud having a peripheral groove, of a removable self-holding washer having a central opening large enough to permit it to be passed over the said stud and registered Patented Aug. When the with the said groove, and the said washer having a weakening-notch in its outer edge and a radial opening-and-closing notch intersecting its outer edge and the said opening, whereby the said washer may-be closed for the entrance of the edges of its said opening into the said groove.

In testimony whereof, I have signed this specification in the presence of two subscribing witnesses. Patented Aug. Application filed September 6, Serial No. US USA en USA en. Retaining element for multipart connection units such as screw connections and the like. GBA en.

Still the same lantern clock movement inside, but without the expensive brass body. Only a few custom-built grandfather clocks were made after this date. signatures on a clock's dial or movement can sometimes help to date a clock if you can find the maker's name and date of activity listed in one of the many.

Clock with wooden gears and foliot, unknown maker, Black Forest, presumably first half of the 18th century. Of course, every effort was made to find a clock from the early days of Black Forest clock-making. Yet, even then, this proved to be a difficult undertaking.

For many wall and mantle clocks, the name on the dial will often be the retailer, not the maker.

We have a large archive of sold clocks, and almost articles by Brian Loomes on clock collecting, clockmakers and clock care and identification. For more information, please click the links on the right. Winners of the BACA award for excellence under the category of specialist clock dealers, judged on 1.

Movements Motors

Figure l a view in elevation showing my invention applied to the dial-pinion stud of I a clock-movement. My invention relates to an improved removable self-holding washer for use in clock-movements and in kindred situations wherever available, the object being to produce a cheap, convenient, and effective selfholding washer constructed with particular reference to ease of application and removal without mutilation. WVith these ends in view, my invention consists in a removable self-holding-washer having a central opening, a weakeningnotch in its edge, and a radial opening-andclosing slot entering the said opening from the edge of the washer. In carrying out my invention as herein shown, I employ a washer 4. The said washer is formed in its'outer edge with a weakening-notch 8 which does not intersect the said opening, and with a radial opening- Specification of Letters Patent. In the use of my improved washer, it is slid over the stud 6 into alinement with the groove 7 therein, and then closed by means ofordinary pliers until the edges of its slot 9 are brought into contact as shown in Fig.

Technical Details

Here you will find the most comprehensive line of battery operated quartz and electric clock movements MVT on the market today. We believe that when laying out your do it yourself project you should have a number of options so that your project can contain all the parts you need. In addition to containing the most reliable, accurate and popular motors we have a number of very specific purpose motors for time, weather and trigger applications. All are powered by AA battery or C cell battery. Additionally we can easily convert to electric power by adding our battery to electric converter. This converter allows you to have the best of both, electric power and battery backup. Our line of mini quartz motor kits are perfect when space is a priority. The weather MVT is an interesting category. The tide MVT have a hand that will make one revolution every 24 hours and 50 minutes. Our Specialty MVT kits section is truly unique.

The full story of the early American wooden clockmaking industry is presented for the first time with the publication of: American Wooden Movement Tall Clocks:

Day-Date Clock Movements, known as day Clock movements, are such a kind of innovative clock part designed by Young Town. Compared to other quartz standard clock movements, this module can display not only week days but also monthly calendar on a clock. When tracking mouse movement, you usually need to know the actual position of the mouse pointer.

US1348517A - Removable self-holding washer for clock-movements - Google Patents

However, a signature may refer to someone other than the clockmaker. The actual movement may have been made by someone else. Until the 19th century clock cases were almost always made separately from the movement and are rarely signed. It provided a safe alternative to the hazardous use of mercury in gilding metals, which was banned c. They are metal rods specially tuned to produce a sequence of chime notes when struck by the movement's chime hammers. In Seth thomas introduced clock models in Adamantine veneer finishes which mimiced marble, slate, wood grains and other materials. Leo Baekeland, who founded the Bakelite Corporation around It reached its height of popularity in the 's and 40's and was used in a wide variety of consumer products. Find out what dealers and collectors have actually paid for antique grandfather, mantel or wall clocks like yours. Covers American, European and Continental clocks of all types. Remember me. Forgot your username?

Young Town Original Factory Day-Date Clock Movement

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Antique Clocks

C grandfather clock clock repair repair clock. An English lantern clock, made in London around Short 10" pendulum and verge escapement. Because of the short pendulum it could stand on a table, but the timekeeping was poor. Another Lantern clock, C, with the "new" long pendulum and anchor escapement this clock had to be hung on the wall to run. Often known as "hoop and spike" clocks because of the iron hoop to hang the clock from, and the spikes at the bottom to dig in the wall and keep the clock steady. From now on the timekeeping of clocks improved by a huge amount using the longer pendulum and "anchor" escapement.

The winding motor is attached to, and mounted below, the conventional clock works. The unique feature of their patented clock mechanism is the automatic rewinding of the main spring each hour by the small electric motor. A contact switch mounted on the clock's center shaft is activated after the clock has run for one hour and the main spring is rewound one revolution. This rewinding occurs each hour. The power for the motor is supplied by batteries and the batteries last about one year before needing to be replaced. This clock mechanism never needed to be wound by hand and this eliminated the concern that someone may forget to wind the clock.

Dating Antique Clocks can be an exact science providing you have the right reference books and the proper experience. A few simple things that can point you in the right direction and at the correct period for your antique wall clock, advertising clock or bracket clock. Even the type of material used to construct your antique clock movement can help, or discovering when chimes were introduced and the type of chime used. It provided a safe alternative to the hazardous use of mercury in gilding metals, which was banned c The first American patent issued for a calendar movement was in Up until then hand cast and finished brass movements were very expensive.

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