Swivel pulley home depot

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rxjs is an incredible tool for reactive programming, and today we’re going to dive a little deeper into what observables and observers are - as well as learn how to create our own operators -let’s finally understand observables!

if you’ve used rxjs before and want to understand some of the inner workings and internals to “how” observables work, as well as the operators, then this post is for you too.

so let’s dive in, and understand what an observable is, then we’ll move onto observables and operators.

what is an observable?

an observable is just a function with a few special characteristics. it implements the observer design pattern.

an observable sets up an observer (we’ll learn more about this) and connects it to the “thing” we want to get values from. this “thing” is called a producer and is a source of values - perhaps from a or event in the dom (or even be something more complex such as async logic).

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to better understand observables, we’re going to write our own! but first, let’s take a look at an example with a subscription to grasp the bigger picture:

this example takes an element and passes it into , which returns us an observable of our input’s object when the event name we specified emits (which is why we’re using in the console).

when the input’s event listener fires, the observable passes the value to the observer.

what is an observer?

an observer is quite simple, in the above example the observer is the object literal we pass into our (subscribe will invoke our observable).

is also valid syntax, but we’ll be exploring the object literal form in this post

when an observable produces values, it then informs the observer, calling when a new value was successfully captured and when an error occurs.

when we subscribe to an observable, it will keep passing any values to an observer until one of two things happens. either the producer says there are no more values to be sent, in which case it will call on our observer, or we (as the “consumers”) decide we are no longer interested in the values and we unsubscribe.

when we want to compose the values returned from an observable, before they reach our final block, the value is passed (or can be passed) through a chain of observables, which is typically done via “operators”. this chain is what we call an observable sequence. each operator returns a new observable to continue our sequence - also known as a “stream”.

what is an operator?

as we’ve mentioned, observables can be chained, which means we can do something like this:

here are the steps of this sequence:

  • let’s assume the user types the letter “a” into our input
  • the observable then reacts to this event, passing the value to the next observer
  • the value “a” is passed to , which is subscribing to our initial observable
  • returns a new observable of and calls on it’s observer
  • the call will invoke , which is subscribing to , with the resulting value of the call
  • will then return another observable with the filtered results, calling with the value if the is 2 or above
  • we get the final value through our block

quite a lot happening, and if you’re a little unsure, remember:

each time a new observable is returned, a new observer is hooked up to the previous observable, thus allowing us to pass values along a “stream” of observers that simply do something you’ve asked and call when it’s done, passing it to the next observer.

in short, an operator typically returns a new observable each time - allowing us to continue our stream. as users we don’t need to worry about all the observables and observers which are created and used behind scenes, we only use one per chain - our subscription.

building our own observable

so, let’s get started and write our own observable implementation. it won’t be as advanced as rx’s implementation, but we’ll hopefully build the picture enough.

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first, we’ll create an observable constructor function that takes a function as its only argument. we’ll store the subscribe property on the instance of observable, so that we can call it later with an observer:

each callback that we assign to will be invoked either by us or another observable. this will make more sense as we continue.

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observer example

before we dive into our real world example, let’s give a basic one.

as we’ve setup our observable function, we can now invoke our observer, passing in as a value and subscribe to it:

we subscribe to the observable instance, and pass our observer (object literal) into the constructor (which is then assigned to ).

observable.fromevent

that’s all we actually needed to create the basis of our observable, the next piece we need is a method on the observable:

we’re going to use our observable just like in rxjs:

which means we need to return a new observable and pass a function in as the argument:

this then passes our function to our in the constructor. next up, we need to hook our event in:

so, what’s this argument, and where does it come from?

the is actually your object literal with , and on.

here is the interesting piece. the is never passed through until is invoked. this means the is never “setup” by our observable until it’s subscribed to.

once subscribe is invoked, inside the observable’s constructor the is then called, which invokes the callback we passed to and also passes through our observer literal. this then allows the observable to do it’s thing and once it’s done, it’ll on our observer with the updated value.

okay so what now? we’ve got an event listener setup, but nothing is calling , let’s fix that:

as we know, observables need a “tear down” function which is called when the observable is destroyed, in our case we’ll remove the event:

we’ve not called because this observable is dealing with dom apis and events, so technically they’re infinitely available.

let’s try it out! here’s the full code of what we’ve done:

live example (type, then watch):

building our own operator

building our own operator should be a little easier now we understand the concepts behind an observable and observer. on our object, we’ll add a new prototype method:

this method will be used as such, pretty much like in javascript but for any value:

so we need to take the callback function and invoke it, which in turn will return our desired data. before we can do this, we need the latest value in the stream.

here comes the clever part, we need to gain access to the instance of the observable that invoked our operator. because it’s on the prototype we can do exactly that:

ready for more funk? now we subscribe inside a returned observable:

we are returning the because when we unsubscribe, the unsubscriptions (is that a word?) will flow up the chain, unsubscribing from each observable.

this subscription will allow us to be passed the previous value from our , because it returns a new observable with a property in the constructor, we can simply subscribe to any updates it makes! let’s finish this off by invoking our passed through map:

now we can chain it!

notice how the final block is passed only the and not the object like before? you’ve successfully created an observable stream.

try it again:

hopefully this post was good fun for you :) come learn more rxjs with us!

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  • write cleaner and better-structured programming logic within 3 hours

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How to Turn Almost Any Wheel Into a Caster

I've said it before and I'll say it again; casters are expensive! Seriously. And if you want vintage metal casters, you may have to take out a second mortgage. 



For example, when I started to look for vintage industrial casters for my World Market "Aiden" knock-off, I came across these.



Pretty cool, huh? The price? A measly $, not including shipping! Are you kidding?! My whole coffee table was under $ to build, casters included.

So let me show you how I came up with a much cheaper, and easy solution to make my own casters. 

To start, you need to find something round to function as a wheel. I've heard some good suggestions such as clothesline wheels, compressor pulley wheels, vintage wagon wheels, etc. I am dreaming up a project that I want to use old barbell weights as wheels. You can get creative, especially if your casters are going to be mostly decorative.

I used these industrial v-groove wheels that I found at the steel supply store I bought my angle iron from. $15 each, 6" diameter, 2" wide, and HEAVY as an elephant! Perfect.

Next, you need to buy a piece of flat steel. This will become your bracket. The size will depend on your wheel diameter and thickness. To get an idea of length, measure the radius from the center of your wheel, multiply that by 2, add the width of your wheel, and add about an inch and a half. 

I used a piece of 1/8" thick steel, " wide and 48" long. It was enough to make brackets for all 4 wheels, plus a little extra. I bought it from Home Depot for around $8. If you want a more contemporary style caster, you could use aluminum instead of steel. Don't go any thicker than 1/8" material though. Its a waste of money and you will be making your life much harder than it needs to be.


First, mark where your first 90 degree bend needed to go. For my wheels, it was at 4 3/8".





On mine, I measured 2 1/4", allowing for my wheel width, plus a little extra to accommodate movement and the bending steel.



Now the fun begins. You will need a bench vise. You could  come up with a jig using lots of strong c-clamps on your bench top, if you're cool like that.

Place 2 heavy, solid, metal plates of the same size in your vise. Sandwich your bracket steel between them, lining up the SECOND line you drew. Trust me, I did this 4 times. Two times I accidentally started with the first mark, and it was a huge pain in the rump!



Before you tighten everything down too hard, use a square to make sure your bracket steel is square in your vise.

Then, tighten your vise as hard as you can. You don't want anything moving.



Now, bend the steel forward, towards you, using even pressure.



Once you have bent it as far as you can by hand, use a sledge hammer to pound the steel flat, creating a 90 degree bend.




Then, pull out your steel, turn it sideways and line up your plates. 


Tighten your vise again, and use your sledge hammer to bend the steel towards the front of the vise.




You wont be able to get a super tight angle, but pound it as far as it will go.



Then, vertically place your bracket in the vise, like the picture below. Slowly tighten the vise and it will tighten the angle, bringing the sides closer together.



At this point, you should have a shape that look like this.



The next step is to clap the bracket into the vise once more and cut off the excess length with an angle grinder.



You now have a bracket to fit your wheel.



Measure the diameter of the center hole on your wheel. Drill holes the same diameter towards the end of your bracket.  This is where you will run a bolt through to function as an axle.



You can now test fit the bracket on your wheel. To mount the caster to your furniture, drill another  large hole, centered on the top of the bracket.


To mount your new casters, first remove the wheels. Run a bolt through your furniture, through the top hole in your bracket, and secure it tightly with a washer and nut. Replace the wheels and tighten a washer and nut on the back side of the axle bolt.

You now have a cool set of custom casters! Depending on your wheel, bolt, and fit, yours may or may not roll smoothly. Mine roll pretty well with the weight of the table on them. That's just a bonus. I would have been perfectly happy if they didn't roll at all. They could just sit there and look pretty. 

Altogether, I paid less than $70 for 4, 6" steel casters. Good deal in my book. What do you think? You have any ideas of something cool you could turn into a caster?

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Heyous 1-Pack U Type Swivel Pulley Stainless Steel Duplex Bearing Super-Silent Detachable Degree Rotation Heavy Duty Traction Wheel

Heyous 1-Pack U Type Swivel Pulley Stainless Steel Duplex Bearing Super-Silent Detachable Degree Rotation Heavy Duty Traction Wheel

Heyous

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Item #:

NGN

Order now and get it around Thursday, October 21

Note: Electronic products sold in US store operate on () volts, a step-down power converter is required for the smooth device function. It is mandatory to know the wattage of the device in order to choose the appropriate power converter. Recommended power converters Buy Now.


Product Details

  • Package: Pack of 1pc U Type Super-Silent Detachable Swivel Pulley, Groove Width: 16mm, Depth: 6mm, Swivel Ring Diameter: 25mm, Overall Height: mm, Thickness: 3mm, Max Load Bearing: KG/ Pound, Fit For: mm wire ropes.
  • Duplex Bearing: Ultra-silence ball bearings, firmly locked by self-locking non-slip nut, enhancing safety performance by 50%, solid rod, strong load bearings.
  • Detachable Assembly: The newest U type pulley can be disassembly to hang wire ropes which are binding too large objects to be removed on both ends.
  • Degree Rotation: Swivel top ring for ease rope handling, smooth roller provides great rope traverse. Widely used in tractive effort of steel wire rope or other rope tools.
  • Use: Simple and practical roller, using gravity and skating for lifting work, designed for use with rope or cord in indoor and outdoor applications to hang weight things or lighten load.
ManufacturerHeyous
Part NumberDETACH-U-1
Item Weight ounces ( grams)
Package Dimensions x x inches ( x x 6 cm)
Is Discontinued By ManufacturerNo
StyleU Type Slot
Item Package Quantity1
Batteries Included?No
Batteries Required?No
ASINB07KH9C3CD

Description

Style:U Type Slot

Specification:
Product Name: U Type Swivel Pulley
Color: Silver Tone
Material: stainless steel
Wheel Diameter: 48mm
Groove Width: 16mm
Groove Depth: 6mm
Swivel Ring Diameter: 25mm
Overall Height: mm
Thickness: 3mm
Max Load Bearing: KG/ Pound
Fit For: mm wire ropes.

High Quality: Made of durable hard stainless steel, manufactured in strict process, strong, reliable, waterproof, anti-rust, anti-high temperature, corrosion resistance, will provide you the most convenience for work.
Duplex Bearing: Ultra-silence ball bearings, firmly locked by self-locking non-slip nut, enhancing safety performance by 50%, solid rod, strong load bearings.
Detachable Assembly: The newest U type pulley can be disassembly to hang wire ropes which are binding too large objects to be removed on both ends.
Degree Rotation: Swivel top ring for ease rope handling, smooth roller provides great rope traverse.
Use: Simple and practical roller, using gravity and skating for lifting work, designed for use with rope or cord in indoor and outdoor applications to hang weight things or lighten load.
Application: Widely used in tractive effort of steel wire rope or other rope tools, suitable for the production of various small cranes, fishing system and pulley model.

Note: Manual measurement, please allow mm errors.

Package:
1x U Type Super-Silent Detachable Swivel Pulley

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Best heavy duty pulleys for lifting, Wire roller

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How to Repair a Patio Umbrella Yourself

Last Updated on by admin

*Patio Productions is not liable for any incidents that may occur from applying techniques portrayed in these videos. We have no affiliation and are simply presenting the content.*

If you own a patio umbrella, chances are it is one of your favorite pieces of outdoor furniture. They are extremely useful for beating the heat and make your outdoor experience much more pleasurable. When taken care of, outdoor umbrellas can last for several years, providing shade and comfort every summer. Picking the right umbrella can be a little tough, we get that. There are so many different factors that go into purchasing the best umbrella for your patio. We created the ultimate buyers guide to patio umbrellas so you can understand the ins and outs of patio umbrellas. You&#;ll be an expert by the time you&#;re done reading!

But after a while, common problems can arise, such as broken strings, torn fabric, and bent poles. Fortunately, there are plenty of online resources for learning how to fix your outdoor umbrella. A simple search on Youtube will give you hundreds of user-created videos that provide great tips, advice, and tutorials.

We have gathered a few of our most useful favorites here so you can keep enjoying the cool shade and keep living the #PatioLife

Patio Umbrella Rib Repair

Repairing a Patio Umbrella Rib is a relatively easy task that can be done at home with only a drill, hammer, and a couple of nuts and bolts.

  1. Buy a 6&#; piece of 5/8ths copper from your local home improvement store
  2. Hammer it down/flatten it until it can fit over the broken parts of your umbrella rib
  3. Fit it on the broken pieces &#; leaving enough room so you can drill a small hole in the middle of the copper piece
  4. Attach the fixed rib onto the umbrella and test it out!

The step by step guide is quick, but watching the video will explain the process more in depth.

How to Replace Umbrella String

Replacing an Umbrella String is a simple job that has a lot of steps, so we definitely recommend watching the video. All you&#;ll need to replace the string is a Philips head screwdriver, flat head screwdriver, needle nose pliers, and your replacement string.

  1. Remove the umbrella fabric from the umbrella skeleton (this will make everything much easier)
  2. Remove the crank casing at the bottom of the umbrella (unscrew the 4 screws)
  3. Use the needle nose pliers to remove the cotter pin and then unscrew the nut, then remove the plastic cog and washer &#; try to keep everything together so reassembly is easier
  4. Next, remove the crank handle from the umbrella shaft &#; it should come out with a little force &#; next, pop the rivet off the side of the umbrella shaft
  5. Reach up to the umbrella hub and unscrew the plastic casing &#; it keeps the umbrella ribs attached so be careful they don&#;t fall off &#; remove the broken string
  6. Feed your new string through the string hole in the umbrella hub &#; tie a knot at the bottom so it can&#;t be pulled all the way through
  7. Pull the string through and up to the top of the umbrella and through the pulley
  8. Feed the string back into the pulley and down the hollow umbrella tube
  9. Pull the string out of the crank hole and feed it through the crank handle &#; tie a knot at the bottom so it can&#;t be pulled through &#; push string back into the shaft and reattach crank
  10. Reassemble your new and improved umbrella!

How to Sew a Patio Umbrella

This is an in-depth how-to sewing video &#; your best bet is watching the video and following the instructions closely.

How to Fix Broken Umbrella Cord

  1. Drill hole in patio umbrella shaft just under the umbrella hub stops when fully opened
  2. Insert allen wrench into the hole

How to Fix Leaning Umbrella Pole

This is a quick $3 fix for a leaning umbrella!

  1. Home Depot offers hose clamps for a couple of bucks
  2. Attach to the loose swivel joint to stabilize
  3. The umbrella is fixed!

LED Light Patio Umbrellas

We&#;re seeing more and more patio umbrellas with built-in LED lights being produced in These lighted patio umbrellas are almost always powered by a small solar panel located on the top of the patio or table umbrella. If one of the LED&#;s goes out, you should be able to easily find a replacement bulb from your local hardware store. If the solar panel is acting up, it&#;s a little tougher to fix. However, we found a great article that gives you 8 things to try to fix your solar panel.

9 foot octagon led lighted patio umbrella

Here&#;s a great example of the 9 ft Collar Tilt LED Light Up Patio Umbrella from Treasure Garden

A sweet patio umbrella accessory is the Luna Umbrella Light w/ a Bluetooth Speaker. This one even charges with a cord so you won&#;t have to worry about any solar panel repairs!

luna umbrella light with bluetooth speakers patio umbrella accessory

The outdoor umbrellas sold on Patio Productions feature only the highest quality materials and construction. Check out our selection online, or take a look at all the rest of our outdoor decor and accessories to complete your patio look.

outdoor patio umbrella how to fix repair new affordable durable high quality best top most push button tilt umbrella cantilever

&#; Octagon Tilt Umbrella and 9 Pc. Arbor Cube Dining Set

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Home depot pulley swivel

Would you mind going to the country in the summer as a teacher. - Yes, I'm looking for something to do. But I would like to work in Moscow, so as not to be far from home. Ryazanov paused, looking at me with his keen eyes, and finally continued: - I have a home in Krasnodarskiy krai for.

Swivel pulley

And my mom, of course, also made fun of her a. Little: - Vitaly, you squeeze this beauty Christina so much that now, as a decent man, you must marry her. Yes, I do not agree with the way you hum, but make an official proposal, with witnesses, with flowers and rings.

Now discussing:

Well, if you climbed into the army, Lisa said and pushed aside part of the blanket. Touching his already standing, huge penis Lisa could no longer expect any action from him and she took off her panties herself. The guy did not skillfully climb onto it. Feeling the member on her stomach, she understood that he was too big for her, whispered, Don't rush, let's do it slowly, I'll help you.



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