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...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!

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Class 92/22 - Relatively movable working members with interdependent means


Subclass of Class 92 - Expansible chamber devices
Definition: Apparatus comprising two or more working members which are
No. of patents: 6
Last issue date: 11/26/2002


NumberTitleIssue Date
6484497Neutral brake
A neutral brake system for use in a hydrostatic transmission to automatically apply a brake when the hydrostatic transmission is shifted to neutral. The neutral brake system includes a hydraulically-released, spring-activated brake mechanism in direct flu...
11/26/2002
6227152Internal combustion engine
There is described an internal combustion engine comprising at least one cylinder and a crankcase (5), which together with the cylinder forms a common, circular cylindrical tubular body (1), and comprising an oscillating piston (7) rotatably mounted about...
05/08/2001
6170384Fluid power rotary drive device
A fluid power rotary drive device, which possesses two oppositely moving drive pistons and an output drive part in mesh with the same. With the aid of a position presetting means it is possible to preset an intermediate position of the output drive part. ...
01/09/2001
5216942Piston lock for power cylinders
A power cylinder of the type in which the piston may be locked to maintain am associated tool or clamp in a fixed position. A nut is provided in an end wall of the cylinder and the piston rod of the piston passes through the nut. The initial portion of th...
06/08/1993
5046648Hygienic dispenser
A dispenser for liquid germicide includes a container for germicide and an outlet, a metering device for metering a given amount of germicide to be dispensed from the outlet, a spout communicating with the metering device for dispensing metered germicide,...
09/10/1991
4471686Double acting piston and cylinder assembly
A double acting piston and cylinder arrangement comprising an elongated cylinder and a piston assembly slidably mounted within the cylinder. The piston assembly comprises a first part and a second part which are axially adjacent each other and movable wit...
09/18/1984
 
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