Single-wedge wrenches
OwnerHong Luinventor
Life of this patent
Estimating the term…
Abstract
Disclosed is a single wedge wrench including two jaws, one of which has a zigzag gripping surface. The wrench further includes a wedge having a zigzag gripping surface. The wedge is mounted on an inner surface of the other one of the two jaws by means of a joint member, being slidable along the inner surface. The wrench disclosed can be used for bolts or nuts with various types and sizes, and an operation can be performed as long as a handle of the wrench is returned. The wrench can be manufactured with a simple process in a production line.
Claims21
1-10. (canceled)
A single wedge wrench, comprising:
- a handle;
- and
- a head portion connected to the handle, comprising
- a stationary jaw having a zigzag gripping surface;
- an adjustable jaw having an inner surface opposite the zigzag gripping surface;
- a wedge slidably connected to the adjustable jaw, the wedge having a guiding rail with a groove along a longitudinal direction of a mounting surface relative to the inner surface;
- a spring positioned within the groove at a bottom portion thereof, the spring being connected to the adjustable jaw;
- and
- a guiding slot disposed at the inner surface corresponding to the guiding rail so that the wedge can slidably move along the adjustable jaw.
A single wedge wrench, comprising:
- a handle;
- and
- a head portion connected to the handle, comprising
- a stationary jaw, having a zigzag gripping surface;
- an adjustable jaw having an inner surface opposite the zigzag gripping surface and a guiding rail having a groove along a longitudinal direction of the inner surface;
- a spring positioned within a bottom portion of the groove, the spring being connected to the adjustable jaw;
- a wedge slidably connected to the adjustable jaw having a mounting surface relative to the inner surface;
- and
- a guiding slot disposed at the mounting surface corresponding to the guiding rail so that the wedge can slidably move along the adjustable jaw.
A single wedge wrench, comprising:
- a handle;
- and
- a head portion connected to the handle, comprising
- a stationary jaw, having a zigzag gripping surface;
- an adjustable jaw having an inner surface opposite the zigzag gripping surface;
- and
- a wedge having a gripping surface, the wedge being slidably connected to the inner surface of the adjustable jaw through a joint member fixed to the inner surface, wherein the wedge has a sliding slot to receive the joint member so that the wedge can slidably move along the adjustable jaw.
Dependencies are inferred from the claim text.