Jumping rail
US4094089A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 4, 1977 |
| Grant date | Jun 13, 1978 |
| Priority date | — |
| Expiry date | Jan 4, 1997 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63H18/06
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A jumping rail to be positioned within a trackway having a base, a platform defining a path and mounted to pivot with respect to the base between a first position wherein the platform is aligned with the base to permit a vehicle after passing over the platform to continue travelling along the trackway and a second position wherein the platform is raised upwardly from the base causing the vehicle to jump, a mechanism for normally urging the platform to its second position, a striking member extending from the base upwardly through part of the path defined by the platform and mounted to move between a first position wherein the striking member engages the platform retaining the platform in its first position and a second position wherein the striking member disengages from the platform permitting the platform to move to its second position, and an additional retaining mechanism for rendering the striking member inoperable so as to continuously retain the platform in its first position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.