11 best mechanical internal gears

Mechanical internal gears, often referred to simply as internal gears, are a type of gear system commonly used in various mechanical devices, including wall clocks and other timekeeping instruments. Unlike external gears where the teeth are on the outer circumference of the gear, internal gears have teeth cut on the inside diameter.

In the context of wall clocks and timepieces, internal gears are essential components of the clock movement mechanism. Clock movements consist of a series of gears and wheels that work together to drive the hands of the clock at a consistent and accurate pace. Internal gears, along with other types of gears, help transfer motion from one part of the clock to another, allowing the clock hands to move smoothly and keep time accurately.

One of the advantages of using internal gears in clock mechanisms is their compact design. Because the teeth are on the inside, internal gears can be housed within a smaller space compared to external gears, making them suitable for applications where space is limited, such as in wall clocks and other decorative timepieces used in home decor and kitchen settings.

Additionally, internal gears are known for their efficiency and smooth operation. When properly designed and manufactured, they can minimize friction and wear, ensuring the longevity and reliability of the clock movement.This is particularly important in timekeeping devices where precision and durability are key factors.

In summary, internal gears play a crucial role in the functioning of wall clocks and other timepieces, allowing them to maintain accurate timekeeping while also contributing to the overall aesthetic and design of the clock. Their compact size, efficiency, and smooth operation make them a popular choice in the manufacturing of mechanical clocks used for home decor and in kitchen settings.

Below you can find our editor's choice of the best mechanical internal gears on the market
  

WoneNice Retro Digital Flip Down Clock - Internal Gear Operated-Black

WoneNice

Based on 810 reviews Check latest price
  • 12 Hour AM/ PM Clock,Flip Down Minute and Hour Display; Easy to read numbers
  • High quality quartz movement, Keeps time accurately and can't hear noise at all
  • Features 304 stainless steel frame and environmental ABS cards, fashion and durable, Suitable for sitting room, living room, study, kitchen, office and collection etc
  • Retro design, great gifts to father, husband, friends and beloved ones for Birthday, Thanksgiving Day, Christmas or any other occasion!
  • Power Source: 1 x D Battery (not included), Please use carbon-zinc battery, NOT the alkaline battery

User questions & answers

Question: can you detach the metal base and hang the clock on the wall
Answer: Metal grommet in shower curtain is 1.5 inches from the edge, no metal grommet in shower curtain liner just plastic material.
Question: why would the manufacturer recoment a carbon zinc battery instead of an akaline
Answer: China.
Question: Is this clock metal or plastic
Answer: Thin and crystal clear..
Question: When the numbers flip do they make a sound or is it silent? If it makes a sound, is it loud
Answer: China. It was pretty crappy. My local dollar store had a better option.

Boston Gear YI3248 Internal Gear, 20 Degree Pressure Angle, 32 Pitch, 48 Teeth, Brass

Boston Gear

Product description

INTERNAL GEAR, 20 PA, 32 DP, 48 TEETH, BRASS

Enjoy Best Time Retro Stainless Steel Small Scale Flip Down Clock,Home Table Internal Gear Operated, Modern Digital Mechanical Clock Decoration

Enjoy Best Time

Product description

Retro Digital Flip Time Clock ,Unique and Cute,Perfect Gifts To  Wedding or  Valentine's Day Gift.

Specification

Material: stainless steel+ABS card 

 Size:21x17x8 cm/8.3x6.7x3.1 inch.

Time Mode: 12 Hour AM/ PM 

Accuracy: ±90 Second / Months 

Weight: 0.45 kgs

Features: 

-The metallic luster makes it charismatic and glamourous. 

-With quartz movement, accurate. 

-The delicate screw will be rotating slowly all the time without noise. 

-Time Adjustment: The left and right sides of the knob can be divided into hours and minutes, along the direction of the blade fall rotation.(Clockwise Direction)

-The vane can be unloaded and installed. 

Package:1 x Model Flip Clock(Battery is not included)

Notice: 

Adjust the time by turning the time adjustor with counter clockwise. 

Please make 1 minute earlier than the exact time(for example, time now is 10:10, you should adjust time to 10:11). 



For more clock products,please welcome to our store !

-----------Enjoy Best Time---------Digital Clock------Flip Clock--------Analog Clock--------Metal Clock--------Wall Clock-------LED Clock--------Kids Clock---------Radio Clock-------Table Clock-------------

  • Flip Stainless Steel Internal Gear Clock:Flip down minute and hour display, easy to read numbers. It flips automatically every minute.
  • 12 Hour AM/ PM Clock.Left--hour,Right--minute.
  • Material: Stainless Steel + ABS card. Size:21x17x8 cm/8.3x6.7x3.1 inch.
  • Quart Movement:time precision,not noisy.Ideal for bedroom, living room, office, business hotels decorations.
  • Power Source: 1 x D Battery (not included

HOSNYE Clock Internal Gear Kids Plush Fleece Throw Blanket Steampunk Background from Mechanical Clocks Details Over Old Metal Bed Couch Sofa Chair Travel Blankets 40x50 Inch

HOSNYE

Product description

Soft Flannel Fleece Throw Blanket

100% Polyester

Luxuriously Soft and Comfy

Machine Washable

Easy Care for Wash before first use

WASH SEPARATELY is highly recommended to avoid damaging the fleece.

Machine wash in cold, separately, with mild detergent on a gentle cycle.

Do not iron. Do not dry clea

  • 【 High Quality Material】The HOSNYE Clock Internal Gear Fleece Throware made from 100% super micro plush polyester for soft touch. Size 40" x 50" Inches
  • 【 USAGE SCENARIOS】Convenient to carry when camping outdoors, backpacking, Vocation, RV trips or on a picnic.Perfect for snuggling up on the couch, reading book,watching TV, relaxing in your living room, bedroom- enjoying happy and leisure hours
  • 【 GIFT】These ideal for Christmas, Valentine's Day, Mother Day's, new year, housewarming or back to school and all holiday
  • 【 ELEGANT DECOR】Our warm blanket delivers a sophisticated look and decent luster, can be draped over furniture like chairs, couches or beds,and the fabulous color enhances stylish and superior appearance to complement your room a chic feeling
  • 【 EASY CARE】Machine Washable and Dryer Friendly

Night in U.S Canvas Art Wall Mechanical Watches with Gears Drawing of The Internal Device It can Paintings Vintage Prints Home Decor Artworks Gift Ready to Hang for Living Room 5 Panels Large Size

Night in U.S

Product description

Night in U.S ART WALL CANVAS

  • As a professional art work supplier, we are dedicated to bringing customers the best selection of canvas wall art in the world. 

  • Our range of hundreds of thousands of hand-crafted canvas prints for sale, vivid color create the feel of the original nature and masterpiece, bring a immersive experience to you.

  • Each panel of canvas prints already stretched on solid wooden frames, not easily deformed. Gallery wrapped, with hooks and accessories, ready to hang.

  • Every art piece is checked carefully, including the art work, the frame and the packing, we will ensure it is perfect for shipping. 

  • Please be noticed due to different brand of monitors, actual wall art colors may be slightly different from the product image.

  • Any problems, please feel free to contact us, we treasure your purchase experience much. 

  • Size Set: 12'' x 16'' x 2pcs + 12'' x 24'' x 2pcs + 12' 'x 32'' x 1pcs. Total size of 5 pieces if placed together without spaces is 60''x32''.
  • We only provide high grade wall art for you. Every canvas print is hand-crafted, we focus on every detail of production.
  • A Ideal Christmas and New Year Gift, Perfect Wall Decorations Paintings for Living room, Bedroom, Kitchen, Dining room, Bathroom, Office, Restaurant, Hotel, Bar Etc.
  • Attention : Due to Different Brand of Monitors, Actual Wall Art Colors May Be Slightly Different from the Product Image.
  • Your order comes with our lifetime technical support, any problems, please feel free to contact us, we treasure your purchase experience much.

HXZB Retro Mechanical Automatic Flip Clock, Internal Gear Operated Large Wall Clock for Living Room & Office Decoration, Black

HXZB

Product description

Specifications:

Name: Large automatic flip clock

Product category: Clock, Wall clock

Style: Vintage

Movement: Quartz

Movement origin: Germany

Display type: Number

Main material: ABS+ Metal

Special features: Decoration

Waterproof: No

Battery: Carbon battery; 1 D battery, life expectancy 5 months. (battery not included)

Size: 36*13.9*8.5 cm / 14.17*5.47*3.35 inches

Applicable places: public places, living room, office, study room, bedroom



Note:

1. Powered by 1 D battery, battery not included and need to buy yourself. Please use a normal carbon battery.

2. The clock is automatically turned after the battery is installed. The left is hour, the AM is 12 hours and the PM is the afternoon. The right is the minute. It is automatically turned over in one minute. Counterclockwise time adjustment, not clockwise time adjustment.

3. Before inserting the battery, please adjust it forward for 1 minute, because the battery will generate current after the battery is placed in the battery compartment for 1 minute.

  • [SPECIFICATION] Featuring stainless steel frame, ABS cards and quartz oscillator. Adjust through a single knob next to the minute display. It is advised to set the time one minute ahead to compensate the clock's mechanism. 12-hour AM/PM display. Powered by 1 x D battery (NOT INCLUDED).
  • [SPORTS SCOREBOARD DISPLAY TIME] The mechanical turning clock takes advantage of the very original principle but achieves a very modern effect. It does not use the pointer, nor does it display the time through the LCD screen, but instead displays it in a display similar to the sports scoreboard.
  • [304 STAINLESS STEEL] The clock body is made of 304 stainless steel, which is moisture-proof, not easy to change color, and easy to clean.
  • [DESKTOP OR WALL-MOUNTED] User-friendly design, adding a wall hole can be placed on the table, or hanging on the wall.
  • [GREAT DECORATION] This flip clock is the best home and office decoration you will ever find. Compared with digital clock, this desk clock has large numbers display on the cards makes it easy to read from distance and any angle. It's a great gift to your friends and beloved ones for Birthday, Christmas or any other occasion!

Eisco Labs - Mechanical Demonstration Model - Internal Gear and Pinion Drive

EISCO

Product description

This demonstration shows the fundamentals of how an internal gear and pinion drive. The system has a hand crank. Perfect for the classroom. Constructed with heavy duty metal and plastic. Unit is open system to study and sandwiched by two clear plastic plates. Nice bench top or desk top item

  • Constructed with heavy duty metal and plastic
  • Unit is open system to study and sandwiched by two clear plastic plates.
  • This demonstration shows the fundamentals of how a internal Gear and Pinion drive works
  • Has 2 Dials to show rotation.
  • Nice bench top or desk top item

Canvas Prints Living Room Murals Works Of Art House Decoration Paintings Home Decoration Wall Artworks Pictures Posters Hangable Modern Home Unframed Mechanical Internal Gear-5070

Product description

Size:30x40cm/50x70cm*3pcs



Introduction:



* It is canvas prints,not hand-painted painting,there is not difference in the product itself,but colors may appear slightly different to each user due to individual monitors.

* canvas print printed at hi-res on quality thick artist premium canvas

* mounted canvas prints is stylish, attractive and suitable for any contemporary, modern, vintage or retro decor indoor wall art

We advise allowing a gap of approximately 3.5cm between each panel when hanging the set of canvases.



Benefits:

For wedding, anniversary, thanksgiving, christmas, mother's Day, father's Day, valentine, birthday and others.



The perfect choice for wall decoration, such as living room, bedroom, guest room, bathroom, kitchen, dining room, meeting room, meeting room, corridor, nursery, coffee house, apartment room, hotel, hotel, spa, lounge, sauna and other homes Space, home, office, business, reflection and relaxation.



Note:

We do our best to provide an accurate description and realistic pictures. But colors may appear slightly different to each user due to individual monitor settings.Once there is any problem, please contact me directly,We will try our best to help you.

  • Size: Each canvas panel is 30x40cm/50x70cm, 3 panels in total.
  • High definition: High Definition modern canvas printing artwork,picture photo printed on high quality canvas.
  • Easy to maintain: Whether you choose a smooth or matte surface, waterproof, anti-ultraviolet, anti-fading interior, accurate color performance.
  • The perfect gift:A perfect wall decorations prints for living room, bedroom, bar etc. Due to different brand of monitors, actual wall art colors may be slightly different from the product image.
  • WORRY FREE AFTER-SALE: fast shipping, risk free for purchase, 30 days money back guarantee of reciept of shipment.

VANKINE Face Cover Clock Mechanical Example Tech Gears High Black Be Drawing Internal Science Balaclava Reusable Windproof Anti-Dust Mouth Bandanas Neck Gaiter with 2 Filters

VANKINE

Product description



Specification



Product Weight: 0.23 LB



Adult Size: 5.9x7.9 Inch



Material Characteristics



100% Polyester Fabric, Comfortable And Soft



Breathable, Washable And Reusable



The Length Of Widened And High Elastic Earband Can Be Adjusted At Will



Activated Carbon Filter Should Be Replaced Once Or Twice A Week



How To Use



1.Open Face Cover Insert One Activated Carbon Filters



2.Cover Your Nose And Mouth With A Cover



3.Adjust The Buckle On Both Sides Of The Cover To The Best Position



4.Adjust The Nose Clip To Fit Your Nose



Package Include:



1 X Reusable Cover



2 X Activated Carbon Filters

  • Buckle closure
  • Our Products Are Made Of High-Quality 100% Polyester Fiber, Which Is Very Soft, Breathable And Washable. There Are Five Layers Of Cloth In The Middle Of The Filter, Including Activated Carbon Fiber. Wearing This Product Can Protect You From Dust, Small Particles In The Air, Pollen, Etc.
  • Our Products Are Shipped Within 7-15 Days. The Reusable, Breathable, Dustproof And Safe Flaps Are Made Of Activated Carbon Fiber And Filter Materials, Making It Easy To Breathe. You Can Wash Your Face Decoration And Replace The Filter.
  • Pairing Method: 1 With 2 Filters. The Filter Should Be Replaced Once A Week, But The Filter Should Be Replaced According To The Actual Situation.
  • M-Shaped Nose Clip, Dust-Proof Face Decoration, Can Be Filtered According To Everyone'S Nasal Cavity Type, So That The Face And Nose Fit More Closely, So As Not To Leave Marks On The Face. Flexible And Adjustable Earhook With Adjustable Size, Suitable For Most Head Types. Suitable For Adults, Men, Women,Protect You From Dust.
  • The Ideal Way To Protect Your Mouth And Face. When You Go Out, You Can'T See Too Much Dirt In The Air. Suitable For Cycling, Camping, Running, Traveling, Climbing And Daily Use. Your Health Is Priceless And Ideal For Gardening, Traveling, Running, Hiking, Sports, Buses, Etc. Stylish And Suitable As A Gift.

LONSANT SUNYUEY Washed Cotton Duvet Cover Set,Unique Vintage Clock Internal Gear Mechanical Clocks Details Over Old Metal,3 Pieces Luxury Soft Bedding Set King Size(No Comforter)

LONSANT

Product description

Fabric: Our bedding sets are made from high quality fabric with exquisite patterns, will create a serene sleeping experience, leaving you feeling refreshed and rejuvenated.

We pay attention to all processes, environmental dye, making this duvet cover set bedspread set ultra soft, breathable, skin-friendly, hypoallergenic, Stain & Wrinkle Resistant.

Easy Care- Machine wash cold, gentle cycle, tumble dry low, do not iron,No shrinkage, No colour fading and No unravelling after washing.

Package Includes:

1x Duvet cover (Without Comforter)

2x Pillow shams.

Size Information :

Twin size

Duvet cover: 68" x 88"

Pillow sham: 19" x 29".

Queen size

Duvet cover: 88" x 88"

Pillow sham: 19" x 29".

King size

Duvet cover: 104" x 88"

Pillow sham: 19" x 29".

Our return policy:

1:Just ship back the products via Post Air Mail which is the most economical shipping method.

2:Packing the products well in original bag.

3:The duvet is afraid of dirty, please keep the comforter clean and tidy, does not affect our secondary sales, I believe you do not want to receive stained bedding, thank you for your understanding!

At EROSEBRIDAL we fully stand behind our products. If you have any problem, please don't hesitate to contact us, we are always here at your service!

  • 【Material】100% High Polyester Microfiber,Ultra Soft, Comfortable, Breathable, Hypoallergenic and Durable Material,Zipper type is very durable,This Vivid Modern 3D Print Bedding Set Will Aake Additional Bedtime Fun and Cloud-Like Feel,Appropriate for All Seasons.
  • 【Easy Care】Enviornmentally Friendly Material is Machine Washable for Hassle Free Living,Dries Tumble Dry Low, Do Not Bleach. Durable Fibers are Shrink Resistant and Will Retain Its Shape.
  • 【Features】This Bedding Collection is Printing by Reactive Dyeing, Vibrant in Color and No Fade Issue. Do Harmless to Your Body, Good for Sensitive Skin.Hidden Zipper Closure and Corner Ties, It's Easy And Efficient To Put This Duvet Cover On Your Comforter.
  • 【Fashion Design】These Novelty Decorative 3 Piece Bedding Set (Without Comforter)Make Your Bedroom Stylish And Attractive, Luxury Chic Vibrant Design, Great Match with Any Home Decoration !This Modern 3D printing Bedding Quilt/Bedspread is Not Only Perfect for Your Own Bedroom, Guestroom, Livingroom, But Also a Great Birthday Christmas New Year Gift Idea for Boys Girls Teens Women Men Child Boyfriend Girlfriend Adults.
  • 【Guarantee】We focus on home textiles, and we are committed to providing the best customer service and products. Our personalized pattern design bedding series will bring you a peaceful sleep experience, making you feel fresh and young. If you have any questions, please feel free to contact us!

New Dynamic Flip Clock, Battery Powered Digital Mechanical Internal Gear Operated Auto Flip Down Desktop Clock for Home Office Living Room Decor

HXZB

Product description

Specifications:

Product Name: New Dynamic Flip Clock

Model: F098

Style: Japanese

Product category: Desktop Clock

Main material: ABS, PVC, Metal

Movement type: Quartz

Display type: Number

Special features: Automatic page turning

Waterproof: No

Power type: 2*C Batteries (Not Included)

Size: 18.5*9.4*8.4 cm / 7.28*3.7*3.31 inches

Monthly error: average monthly difference is less than +-90 seconds

Use: time, gift, decoration

Use place: home, office, bedroom, living room, study, restaurant, bar



Easy to Use:

Adjust the time by turning the adjustment time knob counterclockwise. This flip clock owns a mechanical drive system and equips high quality Quartz movement. More than anything, the quartz movement watch keeps good time.



Note:

Before inserting the battery, please adjust it forward for 1 minute, because the battery will generate current after the battery is placed in the battery compartment for 1 minute.



Warning:

The direction of the battery must be installed correctly.

Please change the batteries every 5 months.

Non-professionals do not dismantle this product.

  • [CREATIVE STYLE] Regardless of the regular shape and traditional style of the traditional clock, the innovative line design introduces the concept of bionic aesthetics, combining art and practicality perfectly. This creative new dynamic flip desk clock will catch the eyes of any visitor to your home or office. A great conversation piece at any place!
  • [UPGRADE MOVEMENT] Our insistence on performance has never changed. The upgrade is equipped with an upgraded page-turning movement, built-in 50-year time program, which reduces the running resistance and increases the service life, thus reducing energy consumption.
  • [TIME ADJUSTMENT] Adjust time by turning the adjustment knob on the left side, and rotate in the direction in which the cards falls. Note: It is prohibited to rotate the contrarian to adjust the time.
  • [EASY TO READ TIME] 12 Hour AM/ PM format creative desk clock, flip down minute and hour display, similar to the sports scoreboard display, easy to read numbers.
  • [MULTIPLE APPLICATION] Great for public places, home, office, bar, coffee shop, restaurant, pub decoration. It is also a great gift for weddings, anniversaries, housewarming, or any occasions.

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