Back to results
US 11,598,459 B1Granted
Clamp pawl device
OwnerBarney Zinterinventor
Life of this patent
Estimating the term…
Abstract
The apparatus is a pawl clamping rachet device used with pipe or hose clamps when working in a tight space limiting access to advancing a slotted band needed for tightening the hose clamp. The apparatus having upstanding planar guide walls which guide a slotted band as the band is advanced through a gap with the band restrained in moving backwards by a pawl tooth having a spring function.
Claims3
A clamp pawl device (1) having an upstanding planar first guide wall (110) and an upstanding planar second guide wall (120) and;
- the first guide wall (110) having a first guide wall front end (102) and a first guide rear end (104) and the second guide wall (120) having a second guide wall front end (122) and a second guide rear end (124) and;
- the first guide wall (110) having a first guide wall bottom edge (106) and the second guide wall (120) having a second guide wall bottom edge (126) and;
- the first guide wall bottom edge (106) having a first guide wall bottom edge arc (107) and the second guide wall bottom edge (126) having a second guide wall bottom edge arc (127) and;
- the first guide wall bottom edge arc (107) and the second guide wall bottom edge arc (127) determined by the arc of the pipe to which a pipe clamp is to be affixed and;
- the first guide wall (110) having a first guide wall top edge (108) and the second guide wall (120) having a second guide wall top edge (128) and;
- the first guide wall (110) having a first guide wall rear edge (112) and the second guide wall (120) having a second guide wall rear edge (130) and;
- a planar pawl assembly (140) having a pawl first end (150) and a pawl first edge (152) and a pawl tooth (160) distal from the
- with said pawl tooth (160) performing a rachet function;
- and a pawl assembly first edge (114) and a pawl assembly second edge (132) and;
- the pawl tooth (160) having a pawl tooth rear side (162);
- and, intermediate the pawl first end (150) and the pawl tooth (160) is a pawl pivot (170) which is bent or formed into a semi-circle and then a pawl pivot bend (164) intermediate the pawl pivot (170) and the pawl tooth (160), directing the pawl tooth (160) downward so that the pawl tooth (160) is received into a slot (220) of an elongated slotted band (200), and
- the pawl assembly (140) and the pawl pivot (170) having a spring function biased to move the pawl tooth (160) toward the first guide wall front end (102) and second guide wall front end (122) when a force is applied to the pawl tooth rear side (162) and to return the pawl tooth 160 to a resting state away from the first guide wall front end (102) and the second guide wall front end (122);
- and the pawl assembly (140) first edge (114) affixed by rigid means including welding to the first guide wall rear edge (112) and the pawl assembly (140) second edge (132) affixed by rigid means including welding to the second guide wall rear edge (130);
- and a band gap (180) downwardly extending from the pawl first end (150) toward first guide rear end (104) and the second guide rear end (124);
- and the band gap (180) sized to receive a device, including an elongated slotted band (200), which is moved by a force to contact and move the pawl tooth (160) thereby advancing the movement of the device, including an elongated slotted band (200).
12 more elements
Dependencies are inferred from the claim text.