Safety device for a stapling gun
US5709333A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 25, 1996 |
| Grant date | Jan 20, 1998 |
| Priority date | — |
| Expiry date | Nov 25, 2016 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25C1/008
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A safety device for a stapling gun including a first switch button having an end pivotally mounted on a housing of a stapling gun, another end of the first switch button having a recess formed with a vertical rod on which is fitted a first spring, an inner side of the housing being provided with an inverted U-shaped member which is located right above the recess, the first spring being arranged between the recess of the first switch button and the inverted U-shaped member, a lower side of the first switch button having a groove, an intermediate portion of the first switch button being formed with a vertical passage which is in communication with the groove, a second switch button being pivotally connected with an end of the first switch button, a second spring being installed to push the second switch button to go outwardly from the groove, the second switch button being contoured to fit into the groove and having a protuberance adapted to fit into the vertical passage, a shaft fitted fitted within the vertical passage and enclosed with a second spring, an upper end of the shaft extending upwardly out of the vertical passage and engaged with a C-shaped retainer thereby preventing t…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.