Builders scaffolding
US3975106A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 8, 1975 |
| Grant date | Aug 17, 1976 |
| Priority date | — |
| Expiry date | May 8, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/7066
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
In builders scaffolding of the kind in which cross members are connected to upright members by means of a wedge clamping member extending through apertures in opposed limbs of a C section bracket which is arranged to embrace a socket member secured to the upright member, whereby the wedge clamping member extends through the socket member and urges the limbs of the bracket into pressure engagement with the upright member, the upper limb of the bracket is formed with a depression adapted to enter the open upper end of the socket, whereby the bracket can be made more easily and cheaply than in the previous arrangement in which the upper limb was provided with external dependent lips to engage the outside of the socket member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.