Scissors
US6408523B1 · kind B1 · utility
Inventor
Key dates
| Filing date | May 11, 1998 |
| Grant date | Jun 25, 2002 |
| Priority date | — |
| Expiry date | Aug 19, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB26B13/28
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A pair of scissors, in particular haircutting scissors, has a hinged joint consisting of a hinge screw (3) and a screw nut (4). The hinge screw (3) is essentially non-rotatably connected to one scissors half (2) and the screw nut (4) engages in a bore (12) in this scissors half (2). Situated in said bore (12) is a first flexible body (15) which, under contact pressure, sits against the end of the screw nut (4) facing the head (5) of the hinge screw (3) and against the shaft (9) of the hinge screw (3). To ensure that even a short screw nut will be securely held and can be precisely adjusted, the invention provides that the screw nut (4) has on its outer circumference a groove (18) in which is situated a second flexible body (19) which, under contact pressure, sits against the screw nut (4) and the bore (12) in the scissors half (2).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.