Sheet stretcher including sheet attachment holes and sheet connection means
US5408770A · kind A · utility
37Cited by
23References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 17, 1992 |
| Grant date | Apr 25, 1995 |
| Priority date | — |
| Expiry date | Jul 17, 2012 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B5/0692
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A sheet stretcher (7) comprises a base (7a), which has a hole (17) for slidably receiving an expanded portion (5) formed at an edge of a sheet (2), a slit (18) communicating with the hole (17) and through which the end portion (11) of the sheet (2) continuous to its expanded portion (5) is insertable, a hole (19) for slidably receiving a further expanded portion (5) formed at an edge of a further sheet (2), a slit (20) communicating with the hole (19) through which the end portion (11) of the further sheet (2) continuous to the further expanded portion (5) is insertable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.