Collapsible net assembly capable of rotatably closing the support rods upon which the net is supported
US5471778A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 2, 1993 |
| Grant date | Dec 5, 1995 |
| Priority date | — |
| Expiry date | Jun 2, 2013 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01K77/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present invention provides a collapsible net assembly having a shaft with a main body disposed at one end and two support arms rotatably coupled to opposing sides of the main body for pivotal movement of support rods, which engage the net and are mounted within the support arms, between an open position and a closed position. The opposing sides of the main body comprise inclined surfaces formed within respective planes which converge at a point along the shaft so as to define a generally V-shaped main body. In order to obtain an angular displacement between the support rods in the open position and a parallel arrangement when in the dosed position, the support rods are mounted within the support arms at an angle .alpha. to their respective inclined surfaces. The magnitude of the angle .alpha. between the support rods and their inclined surfaces should be substantially equal the angular deviation of the inclined surfaces with respect to the longitudinal axis of the shaft so that a parallel arrangement can be obtained between the two support rods and the shaft when in the closed position. The net of the assembly comprises an enclosure having a perimeter defining an opening for th…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.