Adjustable spring clamp
First Claim
1. An adjustable clamp comprising:
- first and second gripping members coupled together for pivotal movement about a pivot pin between a gripping position and a releasing position, the first gripping member including a first jaw and a first lever arm, the first jaw and the first lever arm being positioned on either side of the pivot pin;
force applying means, coupled to the pivot pin and the gripping members, for applying a closing force to the members, the force applying means including a spring wrapped around the pivot pin and having a first end extension positioned to engage the first lever arm; and
repositioning means for repositioning the applying means to change the closing force.
1 Assignment
0 Petitions
Accused Products
Abstract
An adjustable clamp includes first and second gripping members pivotally coupled to each other for movement about a pivot pin, a helically coiled spring having a tubular portion disposed around the pivot pin having first and second end extensions extending from the tubular portion for biasing the gripping members toward a gripping position, and a bar having a threaded aperture, a threaded member, and a bracket, the bar being positioned between the helically coiled spring first end extension and the first gripping member, the bracket being coupled to the first gripping member and the threaded member rotatably engaging the bracket and the bar, the bar being movable relative to the bracket in response to rotation of the threaded member so as to reposition the first and second end extensions relative to each other thereby adjusting the force applied by the spring against the gripping members. An elastomeric member covers the end of the lever arms remote from the jaws, and an end portion of a support stand is received between one of the lever arms and the elastomeric member covering said lever arm, a support member extending downwardly from said end portion to a generally trapezoidal base member unitary with the support member further including non-skid means for reducing movement of the base member relative to a work surface.
-
Citations
17 Claims
-
1. An adjustable clamp comprising:
-
first and second gripping members coupled together for pivotal movement about a pivot pin between a gripping position and a releasing position, the first gripping member including a first jaw and a first lever arm, the first jaw and the first lever arm being positioned on either side of the pivot pin; force applying means, coupled to the pivot pin and the gripping members, for applying a closing force to the members, the force applying means including a spring wrapped around the pivot pin and having a first end extension positioned to engage the first lever arm; and repositioning means for repositioning the applying means to change the closing force. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
-
-
9. An adjustable clamp comprising:
-
first and second gripping members pivotally coupled to each other for movement about a pivot pin between a gripping position and a releasing position; a helically coiled spring having a tubular portion disposed around the pivot pin and having first and second end extensions extending from the tubular portion, the first end extension engaging the first gripping member and the second end extension engaging the second gripping member for biasing the gripping members toward the gripping position; and means for adjusting the amount of bias applied by the biasing means. - View Dependent Claims (10, 11, 12, 13)
-
-
14. In a clamp having first and second gripping members coupled to a pivot pin for pivotal movement between a gripping position and a releasing position and a spring coupled to the pivot pin including a first and second end extension for applying a force to the gripping members to urge the gripping members to pivot about the pivot pin toward the gripping position, the improvement comprising:
adjusting means for adjusting the position of the spring to affect the amount of the urging force applied to the gripping members including means for repositioning the first and second end extensions relative to each other and moving means for moving the repositioning means. - View Dependent Claims (15, 16, 17)
Specification