Posted 10 years ago
SPAD
(1 item)
No maker's marks or even a number anywhere.
This has a single click switch, when you click it on it goes, then you click it off.
Does not seem to have a reverse.
Curious about the back area that has the wire, it seems to attach to the drill head mechanism.
The rusty end part does unscrew off.
This was my Dad's, and I do not know where he got it or if it would be very old.
Also, what material is this, aluminum?
Any help would be greatly appreciated!
I work on aircraft & that is known as "safety wire(ing) on the back. Strange to see on a drill as the heads of the screws have to be drilled for it. I would say, very early.
Thank you for commenting.
What is safety wiring for on the back of a drill? I googled it and just came up with safety wiring for fasteners.
That is to keep screws & bolts from backing out from vibrations etc..
I agree it is very early and will try explaining why. First of all is the lack of a data plate or embossed name, pat # etc. Secondly there are no vent holes to cool the electric motor. Makes me wonder if it might have been a prototype of some sort. Is the chuck marked? Remember to open the chuck wide and look down in the base. The switch is quite similar to what Dayton used years ago. I believe Grainger owns them now and the company is Grainger-Dayton.
Well, it doesn't have consumer warning on it. You know, the one that says MADE IN CHINA. That alone proves it's early.
You are speaking of the COO (Country of Origin marking). That is generally a good indication but like with everything government related it has loop holes. It has been around since the late 1800's but nobody took it seriously. Around 1930 there was a tariff act written requiring it. ( I no longer have the act wording). There were a couple of major loop holes to the new law. If the item was mass imported over a certain quantity it didn't need to be marked. Other items only needed to be marked on the shipping container or crate they were shipped in and other items went on the "J" list and were exempt until 1937.
This also doesn't have a UL (underwriters Laboratory) label. That is not required but most companies submit products for testing to add some attention to their product as being safe to use.
Somewhere in my dusty archives I have a link to a site (free site) where you could submit this for review and opinion.
That it's a keyless chuck has me wondering as I didn't think they have been around all that long.
I believe this originally had a wrench to hold the shaft. Similar to how you remove a circular saw blade or grinder wheel.
Yeah, I saw that but it still appears to tighten by hand.
You are right it would tighten by hand assuming the chuck is original. I blew up the pictures for a closer look. Picture #3 shows where there may have been four screws holding a data plate that would have covered the screw that shows in the picture. I took it up to 400% and it started to blur out???? Raster and Vector game with photo shop? Who knows.
"Me not know mon". The lack of ventilation holes may be so that the sparks from the commutator would be less likely to ignite fuel fumes, such as in aircraft fuel cells. We have aircraft tools that look similar but I didn't mention it earlier because I didn't want to confuse the issue or have people go off on a tangent. We use pneumatic tools for that sort of work.
Sorry for the delay in responding. Just got back.
Regarding Pic. #3, enlarged it here, those marks just seem to be scratches, not equal in size or spacing, so probably no plate there.