Archive for November, 2008
Dumbwaiters Through the Ages
The modern dumbwaiter, which is today usually electric, has roots that date back many hundreds of years. These early dumbwaiters laid the framework for today’s electric dumbwaiter.
These early dumbwaiters were often used in large castles and other dwellings that spanned multiple floors. They allowed the residents of the castle to quickly and easily move food or other supplies around the castle. Without them, the kings food could become cold before being brought to him and due to the large staircases that were so very common.
The dumbwaiters used were typically manual, but in some cases an animal or even water power would be used. This allowed items to be effortlessly sent between floors and allowed much more weight to be moved than a person could do on their own.
By the middle of the eighteen-hundreds, the dumbwaiter was used in many businesses throughout the country, but much of the innovation for these devices took place in New York. It was here that the first passenger elevator would be developed as well as hydraulic dumbwaiters and steam powered dumbwaiters.
The father of the elevator, Elisha Otis, was responsible for many of the advances in dumbwaiter and elevator technology. While helping to build a new production facility, Otis was subjected to several dumbwaiter failures. All it took was a broken rope and the dumbwaiter would come crashing down, potentially seriously injuring a worker or destroying supplies.
Otis set out to solve this problem and devised a spring loaded break system. In the even of a rope failure, a set of spring powered spikes would be released. The spikes would be propelled into the dumbwaiter shaft, which would keep it from falling. This solved his problem, so he went back to supervising the construction of the facility.
After the facility was complete, Otis was prepared to head to California to do some gold mining, when he was approached by someone who was interested in his dumbwaiter brake system. Being a shrewd businessman, Otis realized that his invention had great potential and he began manufacturing commercial dumbwaiters. He would be responsible for many advances in elevator and dumbwaiter technology and eventually developed the first passenger elevator.
Otis was not the only one that led innovation during this time and together with several other inventors, the electric dumbwaiter would take shape. Today, the electric dumbwaiter is very popular in homes and businesses. They can be quickly installed into a home as it is being built or into an existing home.
The electric dumbwaiter is far more common, but some people do still opt for a manual dumbwaiter. While manual dumbwaiters are still used, they do not offer the same convenience or lifting power that is offered by an electric dumbwaiter.
No commentsCreating a Safe Commercial Dumbwaiter
A dumbwaiter is used in many businesses today. They provide a means of moving goods throughout a building quickly and easily. With a history that dates back thousands of years, the dumbwaiter has long played an integral part of the business world.
Some of the earliest commercial dumbwaiters were used in construction. They were heavily used during the construction of buildings in New York and other cities. In fact, it was on a construction site that the idea behind the safety elevator was born.
Elisha Otis, who is often called the father of the elevator, was always a tinkerer and mechanic. After working as a mechanic at a bed manufacture for several years, he was given the opportunity to oversea the construction of a new manufacturing plant. Dumbwaiters were used extensively, but they presented some safety concerns, which largely revolved around the dumbwaiter rope breaking. A faulty rope would cause the dumbwaiter car and whatever it was carrying to come plummeting to the ground. At the very best, this would result in lost productivity and damage to property, but it could just as easily cause great harm to the workers.
Otis decided to develop a way of preventing these accidents and developed a safety device that stopped the dumbwaiter from falling. Large spikes were placed on the top of the car and kept in place with springs. In the event of a rope or cable breakage, the springs would be instantly released and forced into the dumbwaiter shaft. This would stop the car from falling and helped to prevent accidents.
By the time the construction of the factory was complete, other businesses had taken notice of Otis’s invention. He began manufacturing lifts for other businesses and eventually would go on to invent the first passenger elevator and was a pioneer in the industry, developing many innovations that are in some regards still used today.
Today, dumbwaiters still usually incorporate a safety device to prevent falls, but they do not us the spike stops. Instead, a track system is usually used and breaks are used to lock onto the track in the event of an emergency.
The dumbwaiter is used in many industries and remains an integral part of many manufacturing plants. They are also used in hotels, hospitals, restaurants, and libraries. There are many cases where a dumbwaiter can greatly improve the work process of employees, so they are often used to reduce labor costs.
Another advantage is that they are sometimes held to lower standards in regards to city and state zoning laws. Since it is not used to lift people, they often require less paperwork than an elevator would, but this depends on the city and the state, so it is very important to always check your zoning laws before installing a commercial dumbwaiter.
No commentsDumbwaiters: Creating a Good Work Enviroment
The dumbwaiter has been very popular for hundreds of years. In fact, they can be traced back to around 230 BC, which was the times of the Romans. This was the first recorded notation of a dumbwaiter, but it is very likely that they were used by other cultures before this as well. After the Roman Empire, there are records of nearly every culture using a dumbwaiter in some shape or form.
Often animals were used to do the actual lifting, but this was only in larger settings. Smaller dumbwaiters were operated manually and these manual dumbwaiters sometimes consisted of only a rope and a wooden shelf or tray.
During the seventeen-hundreds, the Russians made several innovations to the dumbwaiter and by the end of the eighteen-hundreds, there were electric, steam powered, and hydraulic dumbwaiters in use. These were very popular in commercial settings, but most homes also had dumbwaiters.
The electric dumbwaiter, while found in some residences, would not become popular or affordable until the twentieth century, so the manual dumbwaiter was much more common. Almost all homes had a dumbwaiter of some shape or form. They were used to allow items to be quickly and easily be sent between floors in the home.
Virtually all homes had a dumbwaiter of some shape or form and most apartment buildings also used them. These allowed the tenants to easily transport their groceries to their apartment, which was often several floors up. In big cities, like New York, space is and always has been at a premium for space. As a result, some of the tallest biggest buildings are found in these types of cities. Without the dumbwaiter, individuals in these cities would have had a much rougher time during the early twentieth century.
Today, the electric dumbwaiter has largely replaced the manual dumbwaiter in both residential and commercial settings. Several kits are available for the consumer that are designed to be installed relatively easily. It still requires a good knowledge of construction, so most homeowners opt for a professional installation, but since they are designed to be quickly installed, the installation costs are usually reduced.
Some people do still opt for a manual dumbwaiter though. These have the disadvantage of not being able to support as much weight as electric dumbwaiters and, since they are human powered, they require much more effort to operate. These dumbwaiters are often custom built using pulleys and wenches, but there are also a few companies that sell manual dumbwaiter kits.
The dumbwaiter offers a powerful lifting tool that has stood the test of time. There are only a few items that remain as similar today as they did a thousand years ago. In many ways, the dumbwaiter has aged as well as the wheel. Both have been greatly improved since they were first introduced, but they still are in some regards very much like their early predecessors.
No commentsUsing a Commercial Dumbwaiter
The dumbwaiter is a lifting aid that has been used by humans for thousands of years. People all over the World have used them extensively to help move items around their home or place of business. Early dumbwaiters utilized human or animal power, but by the eighteen-hundreds, most commercial dumbwaiters were using steam, electric, or hydraulic power.
A dumbwaiter works much like an elevator. A vertical shaft is required to span between floors and the dumbwaiters car moves up and down the shaft. The car refers to the part of the dumbwaiter that actually holds the goods and can be as simple as a wooden platform or can be a completely enclosed box. While similar to elevators, it is important to note that dumbwaiters are not intended to carry humans and instead should only be used to transport non-living materials.
Today, most dumbwaiters use a metal track to increase stability and functionality. A metal track is installed along the length of the shaft way and the car moves along the track. Rollers keep the dumbwaiter fluidly moving on the track and often these rollers have built in brakes that engage in the event of a broken cable or other emergency.
There are many businesses that make extensive use of dumbwaiters, including libraries, restaurants, and hospitals. The shipping industry has also extensively used dumbwaiters for many years. In the early sailing times, simple rope and pulley dumbwaiters were used, but by the beginning of the twentieth century, electric and steam dumbwaiters were very popular. These were used to move items throughout the ship quickly and easily. Since, on a ship, space is usually very limited, a dumbwaiter could provide essential to the movement of food and dishes from the galley to the dining room.
Similarly to their use in a ships galley, they are also very popular in many multi-story restaurants. They allow food to be brought to the guest while it is still hot, without putting extra strain on the waiters. Dirty dishes are also taken care of in the dumbwaiter, which otherwise would require carrying the dishes down the stairs, which would be impractical on a large scale.
There are many businesses that use dumbwaiters and their usage has led to many innovations. They are also very popular in homes. The manual dumbwaiter is still found in some homes, but the electric dumbwaiter is beginning to be much more common. These provide a means of moving things like groceries or laundry instantly throughout the home. They are also an attractive item to prospective home buyers, so more and more builders are including these in their designs.
No commentsDumbwaiters, Improving House Work
Finding a way to increase productivity is important around the home and especially in commercial settings. Carrying items between floors can not only be hard on the body, but in the case of people who are mobility challenged, it can also increase the risk of a fall. To help around the home, many people choose to install a special type of elevator called a dumbwaiter.
While a dumbwaiter falls into the elevator family, it is usually much smaller and not made to carry people. Instead dumbwaiters are designed to move things like laundry or food around a multistory building. These devices date back several thousand years, but the electric dumbwaiter is relatively new. The electric dumbwaiter was first developed in the late eighteen-hundreds, but it wouldn’t be until the middle of the nineteen-hundreds that these devices would become readily accessible in residential settings.
Today, more and more homes are opting to install an electric dumbwaiter. They are easiest to install if they are added to a home as it is being built, but several popular kits are also available for retro-fit situations.
When doing a retro-fit installation, usually the hardest part is finding a space for the dumbwaiter. This is not a problem in new construction, because the dumbwaiter shaft can be built into the home, but in an existing home, finding a space for the shaft can prove difficult. The shaft refers to the vertical space between floors that the dumbwaiter will move through.
The car, which actually transports the items between floors, moves vertically up and down the shaft. Most are attached to a track that runs the distance of the shaft. The track helps to keep the car steady and balanced. Most dumbwaiters can support around a hundred pounds, but commercial lifts and some residential lifts can support much more weight than this. It is possible for the dumbwaiter car to open up on different sides, so this makes finding a space for the shaft easier.
Once you have a space that the dumbwaiter can be installed into, it will be necessary to install the drive system and shaft. Most use a cable drive system, that raises or lowers the lift on a strong steel cable. Some kits come with the car and drive system already assembled onto a short length of track. This piece of track can then be installed into the top of the shaft and about half of the installation can be completed at once. This reduces the time and makes the task of aligning the drive system very simple.
Installing and using a dumbwaiter in the home is a great way to make it possible to move items quickly throughout the home, without strain on the body or concerns about falls.
No commentsChoosing to Install a Dumbwaiter
Climbing up the stairs is something that is difficult for many people and falls are very common among those over sixty. While climbing the stairs can be difficult by itself, having to lug fifty pounds of groceries up the stairs can be hard even for those who are not mobility challenged. This is why a lot of people choose to install a dumbwaiter.
For homes, a dumbwaiter is like a very small elevator. They are not designed to carry people or animals, but instead are used to carry items between floors. They can be used for things like carrying firewood, groceries, or meals. Whatever needs to be moved, it is usually a whole lot easier if you can let the dumbwaiter do the work.
Today, most people use electric dumbwaiters in their homes, which are able to support around a hundred pounds. However, manual dumbwaiters, which have been used for thousands of years, are still used sometimes. A manual dumbwaiter can be as simple as a pulley and a small wooden platform, but there are also some kits available that build in other features that allow it to work in a more efficient manner.
Despite some opting for a manual lift, the electric lift is much easier to use and can support more weight. Several kits are available that can be installed easily, in only a few hours. To make the installation simpler, the drive system and car will often come pre-assembled. This reduces how long it takes to install the lift, because the drive system and car, can be installed all at once. These lifts also usually have snap together wiring, which also reduces installation time, but also makes troubleshooting easier.
Electric lifts generally move along a track that is installed inside the shaft, which helps keep the car stable. The shaft, which must be completely vertical, must usually be at least two feet wide and two feet deep. However, this varies by model and depends on the size of the car.
Often, the dumbwaiter can be configured to open on different sides, which helps make finding a space for the shaft easier. If necessary, usually a closet can be converted to provide the space necessary for the shaft.
It is easier to install the lift as the home is being constructed, but it is also possible to install them into an existing home. There is seldom a problem in either case.
No commentsInstalling a Dumbwaiter in the Home
People all over the World have been using dumbwaiters for thousands of years. These devices were used in ancient castles and during the Roman empire to quickly and safely move items between different levels. They sometimes used water power or animal power to raise or lower the dumbwaiter. The electric dumbwaiter, which was first developed over a hundred years ago, is today much more popular than manual lifts, but some people do still opt for a manual dumbwaiter.
A dumbwaiter allows items to be transported in a similar manner to that of an elevator. A car is sent between floors carrying its load. Manual dumbwaiters rely on the physical effort of its user to raise or lower, but electric lifts move at the push of a button. Usually a set of call buttons will be installed at every floor where the dumbwaiter stops.
The car moves up and down the shaft, usually attached to a track. This helps keep the car steady and balanced. Doors are located at every place that the car stops. Usually, the doors are designed so that they can only be opened if the dumbwaiter is present. This is a safety feature, which means that it will not be able to access the shaft, unless the car is actually at the door.
The automatic door locks are either electronic or mechanical. Electronic locks have electric sensors that detect if the car is present. If not, the doors remain locked, otherwise they open. Mechanical locks have a small switch that extends into the shaft. When the car reaches the opening, it makes contact with the small switch, which causes the door to unlock. As it moves away, it releases pressure on the switch and the doors lock. While both types of locks can be disabled for the installation or troubleshooting, it is advised to otherwise always leave them engaged.
Usually finding a place for the shaft is the first consideration. A space that is about 2 foot by 2 foot is needed. This space must extend vertically between floors. Often as the home is being built, a space for the shaft can be left, but in preexisting homes, it can be a little harder to find a space for the shaft. If all else fails, the area in a closet can be used. Most lifts can also be configured so the car door opens on multiple sides. This makes the task of finding a space for the shaft much easier.
People who are mobility challenged often find that installing a dumbwaiter is an excellent way of making it possible to take care of a mid to large sized home. These devices, which often support over a hundred pounds, can provide quick and easy access to several floors of a home at the push of a button.
No commentsDumb Waiters in Action
There are many different industries that have consistently used dumbwaiters to improve the ability of their employees to work. Hotels, office buildings, automobile manufacturers, and hospitals are among the many industries that implement dumbwaiters in their businesses.
Over the years, the popularity of dumbwaiters decreased slightly and during the nineteen-forties until the late eighties, they were typically only found in larger homes. Then during the nineties, several advances were made in the design of these devices, which allowed them to be quickly and easily installed. Today, dumbwaiters are making an impressive comeback and are an incredibly popular addition to a home. In addition to advances in the actual construction and technology of these devices, dumbwaiters have also become much more affordable in the last ten years.
Most people opt to go with an electric dumbwaiter, but manual dumbwaiters are still found. When going with a manual dumbwaiter, it is possible to construct one on your own using a series of pulleys and some rope, but generally it is better to go with a manual dumbwaiter kit. This will typically come with a track that increase the stability of the dumbwaiter and many also are designed so that you can let go of the rope, without the dumbwaiter falling.
Generally though, despite some people opting for a manual dumbwaiter, an electric dumbwaiter is usually used. A series of call buttons is installed on each floor where the dumbwaiter will stop. When you want to call or send the dumbwaiter, it is only necessary to push a button and the dumbwaiter will begin to move.
To improve safety, the doors of an electric dumbwaiter will usually only open if the car is present at the floor. This is similar to how a passenger elevator functions and prevents objects from being dropped down the shaft or accidental falls.
Usually it should not be possible for anything to become lodged in the track, but since accidents can happen a series of sensors are generally installed on the dumbwaiter car. These sensors detect an object in the path of the dumbwaiter that could prevent it from moving. If it detect something the dumbwaiter will stop moving. It will be necessary to clear the obstruction, before the dumbwaiter can continue, but this can help to prevent expensive repairs.
The weight that a dumbwaiter supports generally varies by model, but support as much as a hundred pounds and some commercial dumbwaiters can support over a thousand pounds. Even if the car is capable of supporting your body weight, it is important to never transport a human in the dumbwaiter. Not only is this against safety regulations, it could also be potentially dangerous. Small children should not be allowed to play with or use the dumbwaiter without direct adult supervision, so if you have small children it may be a good idea to invest in locks for the dumbwaiter. These are usually available for most dumbwaiters as an extra feature.
Dumbwaiters are designed to make work around the home or around the business to be easily and much more efficient. They are not only make it easier to do your work, but they also increase home value and can become a selling point, especially in subdivisions with many similar homes.
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