Pictures of types of gears....
http://www.unionmillwright.com/typesofgears.html
Millwright Ron

On Mon, 18 Feb 2008 20:05:44 -0800 (PST), Millwright Ron
wrote:

Pictures of types of gears....
http://www.unionmillwright.com/typesofgears.html
Millwright Ron

Boss gears

Non-union gears

Union gears = idler gears

On Feb 18, 11:05*pm, Millwright Ron wrote:
Pictures of types of gears....http://www.unionmillwright.com/typesofgears.html
Millwright Ron

You probably have a lot of good technical experience to share as long
as you leave out the agitprop.

On Feb 18, 11:05 pm, Millwright Ron wrote:
Pictures of types of gears....http://www.unionmillwright.com/typesofgears.html
Millwright Ron

Very nice examples.

what the story behind them? they look like something used in sales or
teaching?

Brent
Ottawa Canada

On Feb 18, 8:05*pm, Millwright Ron wrote:
Pictures of types of gears....http://www.unionmillwright.com/typesofgears.html
Millwright Ron

Good photography. There are more types you can add!

Another interesting reference, my old _Scientific
American Handy Book of Facts and Formulae_, Munn
and Co., New York, 1920 lists 28 types of gears.
Type #8 is 'angular gears', and the illustration shows two
squares with gear teeth meshing... and type #22 'intermittent
bevel gear or mutilated gear' is just... disturbing.

And then there's type #17, the 'globoid gear' for
continuous variable speed control...

Another -

Gear cutting Practice Colvin and Stanley 1937
- a Lindsay Publications reprint.

Martin H. Eastburn
@ home at Lions' Lair with our computer lionslair at consolidated dot net
TSRA, Endowed; NRA LOH & Patron Member, Golden Eagle, Patriot's Medal.
NRA Second Amendment Task Force Charter Founder
IHMSA and NRA Metallic Silhouette maker & member.
http://lufkinced.com/


whit3rd wrote:
On Feb 18, 8:05 pm, Millwright Ron wrote:
Pictures of types of gears....http://www.unionmillwright.com/typesofgears.html
Millwright Ron

Good photography. There are more types you can add!

Another interesting reference, my old _Scientific
American Handy Book of Facts and Formulae_, Munn
and Co., New York, 1920 lists 28 types of gears.
Type #8 is 'angular gears', and the illustration shows two
squares with gear teeth meshing... and type #22 'intermittent
bevel gear or mutilated gear' is just... disturbing.

And then there's type #17, the 'globoid gear' for
continuous variable speed control...