Compact pliers with large, adjustable jaw span
US4563921A · kind A · utility
Inventor
Key dates
| Filing date | Mar 5, 1985 |
| Grant date | Jan 14, 1986 |
| Priority date | — |
| Expiry date | Mar 5, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25B5/068
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The pliers include a frame having a hand grip portion and two, spaced, laterally projecting leg sections. At least one of the leg sections is fixed to the hand grip portion of the frame and has formed thereon a stationary jaw, which confronts a movable jaw that is carried by a support member that is mounted on the frame to extend transversely between its leg sections, and for reciprocation generally parallel to its hand grip portion. The support member is connected to a handle, which is pivotally mounted on the frame to reciprocate the movable member and its jaw in opposite directions, thereby to shift the movable jaw toward and away from the stationary jaw. The movable jaw is mounted on its support member for adjustment thereon into any one of a number of different positions, thereby to adjust the span between the jaws. In one embodiment both leg sections are fixed relative to the hand grip portion, and in another embodiment one of the leg sections comprises a link which pivotally connects one end of the hand grip portion to the adjacent end of the movable jaw supporting member. In still another embodiment an over-center clamping means is interposed between the frame and the handl…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.