Jack

Has anybody seen one of these before a APAC jack it looks heavy duty?
How old do you think it would be?
I bet it would look nice with some of the old trucks
Ian

i havnt seen one like that ..is it hydrolic or gear driven ?

i havnt seen one like that ..is it hydrolic or gear driven ?

It is gear driven
Ian

im guessing it would be before the 1940s ..hydrolics generally became common during & after the war ...it would look great cleaned up with a period vehicle

Now for the 64 thousand dollar Q:

Duz it work??

Cya

[ch9787]

Hi All
It looks like the jack was made in South Australia
nla.gov.au/anbd.bib-an41969051

www.clydeapac.com.au/v4/data/company.html

Does it work? YES. How does it? Comming I will have to pull one side of
Ian
southern-cross-register.sumpy.com

'How She workz"

Ifn Mechanical
Pure guess work here
the downward movement of the handle has a geared cog th@ inturn turns nuther bigger cog th@ is all linked to the upright lifter pad
when the handle reaches the lower grond level a pall cliks in n locks the cog so it wont go down then the handle is raised to the highest point where by the above action repeasts it self
to lower the load off the jack a twist action handle @ end of control lever is used to release the pall

Have n Said all th@ (Crap)

EyeDoSt&2BCorrected!

LOL

Now We ask Dedlee to describe the action

LOL

Cya

[ch9787]

Ian - That's an old beauty of an APAC floor jack, and would definitely be late 1920's or early 1930's.

I've seen later versions of the APAC mechanical jacks, but they were more sophisticated in design that that one.
The ones I've seen were 1940's and 1950's models.
They were 20 tonners, and a long low design, designed to fit right under, wide, heavy equipment.

The mechanical mechanism is quite simple and just relies on a geared rack and pinion, with a spring loaded latch that is moved out of its locking position .. by just tooth pressure on the latch, when lifting .. and by a lug on the lowering mechanism, when lowering.

Good history on the company there .. but you'll note they traded as APAC for many decades before Clyde Industries took them over. Clyde were an enormous organisation, they built anything and everything from locos to forklifts. My old Yale forklift was built by Clyde under licence from Yale & Towne in the U.S.

My Dad still has his, they only need to be kept clean and greased. It's great, ideally these need level concrete floors as they do not brake. You could speed lift it to fit the work from the end of the handle. By the same means the (unladen) jack could be dropped suddenly, not a jack for idiots. They also needed a bit of space to swing around, and odd blocks of wood to protect the load if required.