Joist hanger
AssigneeMiTek Industries, Inc.
InventorsJames G. Yauger, John M. Rushton
Life of this patent
Estimating the term…
Abstract
A joist hanger of the type comprising an upright back, parallel opposing sides forming a channel and a horizontal bottom extending forwardly from the back forming a seat for a joist, the hanger having at least one pair of opposing tabs extending inwardly from the sides of the hanger into the channel, the tabs presenting downwardly, rearwardly sloping surfaces to a joist forced against the tabs to urge the joist against the back of the hanger. The innermost edges of the tabs being knife-like for penetrating a joist forced against the tabs. The tabs are preferably formed by a portion of the side folded inwardly along a downwardly, rearwardly sloping fold line.
Claims20
An improved joist hanger of the type comprising an upright back, parallel opposing sides forming a channel and a horizontal bottom extending forwardly from the back forming a seat for a joist, the improvement comprising:
- at least one pair of opposing tabs extending inwardly from the sides of the hanger into the channel, the tabs presenting downwardly, rearwardly sloping surfaces to a joist forced against the tabs to urge the joist against the back of the hanger.
An improved joist hanger of the type comprising an upright back, parallel opposing sides forming a channel for receiving a joist and a horizontal bottom extending forwardly from the back forming a seat for the joist, the improvement comprising:
- at least one pair of opposing tabs extending inwardly from the sides of the hanger into the channel, each tab formed by a portion of the side folded inwardly along a downwardly, rearwardly sloping fold line and presenting an inwardly sloping knife-like edge for penetrating a joist forced against the tabs, the tabs forming downwardly, rearwardly sloping surfaces for urging a joist forced against the tabs against the back of the hanger.
A joist hanger of the type comprising an upright back, parallel opposing sides forming a channel for receiving a joist and a horizontal bottom extending forwardly from the back forming a seat for the joist, and a horizontal top flange extending rearwardly from the back and adapted for engagement with a carrying member, the hanger comprising slits in the side and at least one pair of opposing tabs extending inwardly from the sides of the hanger into the channel, the tabs being formed by the portions of the sides above the slit being folded inwardly along a downwardly rearwardly sloping fold line, the tabs presenting an inwardly sloping knife-like edges for penetrating a joist forced against the tabs, the tabs forming downwardly, rearwardly sloping surfaces for urging a joist forced against the tabs against the back of the hanger.
An improved saddle-type joist hanger of the type comprising two oppositely-facing joist hangers, each comprising an upright back, parallel opposing sides forming a channel for receiving a joist and a horizontal bottom extending forwardly from the back forming a seat for the joist, and a web connecting the top edges of the hangers, the improvement comprising:
- at least one pair of opposing tabs extending inwardly from the sides of each hanger into the channel, each tab formed by a portion of the side folded inwardly along a downardly, rearwardly sloping fold line and presenting an inwardly sloping knife-like edge for penetrating a joist forced against the tabs, the tabs forming downwardly, rearwardly sloping surfaces for urging a joist forced against the tabs against the back of the hanger.
Dependencies are inferred from the claim text.