Multi-purpose collapsible hand saw
US4637141A · kind A · utility
Inventor
Key dates
| Filing date | Feb 18, 1986 |
| Grant date | Jan 20, 1987 |
| Priority date | — |
| Expiry date | Feb 18, 2006 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23D51/03
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A multi-purpose saw is provided which can be selectively positionable in one of an assembled working mode and a storage mode. The saw comprises a hollow handle, a hollow back bar, a saw blade, a blade stop assembly and a hook retainer assembly for interconnecting the handle and the back bar of the saw in one of the assembled working mode and the storage mode. The hollow handle, is provided with longitudinally aligned first and second blade slots, and a plurality of apertures disposed near the opposite end thereof, a pair of said apertures being spatially disposed in axial alignment on opposing sides of the handle and in substantial longitudinal alignment with the first and second blade slots. The back bar, also an elongated tubular member and having an outside diameter less than the inside diameter of the handle, is provided with a concave groove on one end thereof for mating abuttment with a portion of the handle when the saw is in the assembled working mode. The opposing end of the back bar is provided with a back bar blade slot and a plurality of apertures, a pair of said apertures being axially disposed in the upper and lower sides of the back bar, a third of said apertures bei…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.