Back to results
US 6,485,031 B2Granted
Connecting device for a gardening tool
OwnerWen-Chun Cheninventor
Life of this patent
Estimating the term…
Abstract
A connecting device for gardening tool has a locking sleeve with a screw bolt and a tool head connector firmly secured in the locking sleeve by inserting the cubic part of the connector into the cubic portion of the locking sleeve and screwing the screw bolt on the locking sleeve. The connecting device allows gardening tool heads to be changed easily and conveniently to satisfy different requirements.
Claims16
A connecting device for a gardening tool comprising:
- a hollow locking sleeve having a port longitudinally defined in one end of the locking sleeve, a bolt ring formed on the locking sleeve and having a pin receiver defined in the bolt ring, and a screw bolt detachably and securely mounted on the bolt ring, wherein the locking sleeve is adapted to be secured to a gardening shaft;
- and
- a tool head connector combined with the locking sleeve and having a bore defined on one end of the tool head connector and adapted to be secured to a gardening tool head, an insert plugged into the port of the locking sleeve, and at least one pit defined in a surface of the insert and to mate with the screw bolt when attaching the tool head connector.
Dependencies are inferred from the claim text.