# Rectilinear Motion

Topics: Gears, Rack railway, Gear Pages: 3 (579 words) Published: December 15, 2010
Simple Machines, Gears| Record 1 to 25 of 29|

Clipart illustrations of a simple machine, gears. Gears are used by connecting them to an axle, and using the interconnecting cogs to move other gears or parts of a system. Their mechanics are similar to the wheel and axle.

| Clock, Wheels of a
A clock is run by wheels. Each wheel turns another to keep the clock running....| | Cog-wheel
"A small projection in machinery, used to impart motion. C. wheel, a wheel having cogs on its circumfrence." — Williams, 1889...| | Crown-wheel
A wheel with cogs or teeth at right angles to its plane....| | Drill, twist bit
Twist drill bit....|
| Epicycloidal Teeth
"Epicycloidal teeth, teeth for gearing cut in the form of an epicycloid." -Whitney, 1911...| | Epicycloidal Wheel
A wheel or ring fixed to a framework, toothed on its inner side, and having in gear with it another toothed wheel of half the diameter of the first, fitted so as to revolve around the center of the la...| | Epicycloidal Wheel

"Epicycloidal wheel, a wheel or ring fixed to a framework, toothed on its inner side, and having in gear with it another toothed wheel, of half the diameter of the first, fitted so as to revolve about...| | Gear, Bicycle Sprockets

"For sprockets of different diameters, small rings D are used, of different diameters. The nut C is screwed on and off by a wrench; it has grooves, in order to get rid of the turnings that fall on th...| | Gearing

A train of wheels for transmitting and varying motion in machinery....| | Gears
"It is found preferable, therefore, when a great difference of velocity is required, to use a combination of wheels, of moderate size. In the following figure, three wheels are seen thusly connected....| | Gears

A pinion and spur gear meshed together. ...|
| Mitre-wheels
"2 wheels revolving in contact, but in different planes, so as to transfer motion from one plane to another." — Williams, 1889...| | Planet wheel
The...