Back to results
US 7,254,898 B1Granted
Multi-purpose speed square
OwnerKevin G. Armstronginventor
Life of this patent
Estimating the term…
Abstract
A multi-purpose framing square has an elongate blade having a T-shaped slot with an L-shape at the base of the T-shaped slot. A handle has a top end has a handle thumbscrew hole. The handle is boltably attached through the handle thumbscrew hole to the blade through the blade T-shaped slot. The handle has a handle cavity through which the blade can move. A handle support pin is detachably connectable to the handle.
Claims20
A multi-purpose framing square comprising:
- an elongate blade having a T-shaped slot therethrough, said T-shaped slot having a base, said T-shaped slot having an L-shape at the base of said T-shaped slot;
- a handle having two opposite ends, a bottom end and a top end, said handle top end having a handle thumbscrew hole therethrough, said handle being boltably attached through said handle thumbscrew hole to said blade through said blade T-shaped slot, said handle bottom end having a handle support pin bore therein, said handle having a handle cavity through which said blade can move;
- and
- a handle support pin detachably connectable to said handle, said handle support pin disposable within said handle support pin bore.
1 more element
A multi-purpose framing square comprising:
- an elongate blade having a T-shaped slot therethrough, said T-shaped slot having a base, said T-shaped slot having an L-shape at the base of said T-shaped slot;
- a handle having two opposite ends, a bottom end and a top end, said handle top end having a handle thumbscrew hole therethrough, said handle being boltably attached through said handle thumbscrew hole to said blade through said blade T-shaped slot, said handle bottom end having a handle support pin bore therein, said handle having a handle cavity through which said blade can move;
- a handle support pin detachably connectable to said handle, said handle support pin disposable within said handle support pin bore;
- a handle thumbscrew detachably connectable to said handle, said handle thumbscrew disposed within said handle thumbscrew hole, said handle thumbscrew disposed within said blade T-shaped slot;
- and
- a blade thumbscrew clamp detachably connectable to said blade, said blade thumbscrew clamp disposed within said blade T-shaped slot.
3 more elements
A multi-purpose framing square comprising:
- an elongate blade having a T-shaped slot therethrough, said T-shaped slot having a base, said T-shaped slot having an L-shape at the base of said T-shaped slot, said blade having a blade angular lock pin hole therethrough, said blade having dimension indicia thereupon, said blade having angular indicia thereupon, said blade is beveled adjacent to said blade T-shaped slot;
- a handle having two opposite ends, a bottom end and a top end, said handle top end having a handle thumbscrew hole therethrough, said handle being boltably attached through said handle thumbscrew hole to said blade through said blade T-shaped slot, said handle bottom end having a handle support pin bore therein, said handle having a handle cavity through which said blade can move, said handle top end having a handle lock pin hole therethrough, said handle having four finger grip recesses therein;
- a handle support pin detachably connectable to said handle, said handle support pin disposable within said handle support pin bore;
- a handle thumbscrew detachably connectable to said handle, said handle thumbscrew disposed within said handle thumbscrew hole, said handle thumbscrew disposed within said blade T-shaped slot;
- a blade thumbscrew clamp detachably connectable to said blade, said blade thumbscrew clamp disposed within said blade T-shaped slot;
- a lock pin detachably disposed within said handle lock pin hole, said lock pin detachably disposed within said blade angular lock pin hole;
- a horizontal bubble level connected to said handle;
- and
- a vertical bubble level connected to said handle.
6 more elements
Dependencies are inferred from the claim text.