Tine holder for turf aerating apparatus
US4574890A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 14, 1985 |
| Grant date | Mar 11, 1986 |
| Priority date | — |
| Expiry date | Jan 14, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/7058
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A tine holder for turf aerating equipment includes a horizontal tine arm having a plurality of spaced apertures therein having a diameter substantially equal to the inner diameter of the upper ends of the tines. The hollow tines are substantially cylindrical at their upper ends and abut the tine arm in alignment with the tine arm apertures. A tine holding bar disposed beneath the tine arm includes a plurality of tapered apertures aligned with the apertures in the tine arm. The tines pass through the tine holding bar apertures and are secured in position by split collets having frusto-conical exterior surfaces which seat within the tapered apertures of the tine holding bar. A plurality of bolts passing through aligned bolt holes in the tine arm and tine holding bar provide a tightening of the split collets to secure the tines in position against the tine arm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.