Crimping tool and die assembly

Claim 2

In a crimping tool: a. die members each having a concave arcuate crimping surface, each of said surfaces having beveled portions on either end thereof, and further having a flat base surface opposite said crimping surface, and further having grooves on either side of each die member, said grooves being parallel to said surfaces; b. jaw members having recesses with beveled sidewalls adapted for carrying said die members; c. operating means operatively connected to said jaw members for moving said jaw members and said die members thereon toward each other whereby said crimping surfaces define a crimping area and said beveled portions define inwardly facing angular grooves, d. spring means provided for said die members to maintain the die members in a normally inoperative position away from said crimping area; e. L-shaped retaining members positioned on said jaw members so that one portion thereof engages said grooves on said die members thereby guiding said die members toward and away from each other; and f. limiting means for limiting movement of said die members said limiting means including pins positioned on said beveled sidewalls, and oblong openings in said base surface of said die members to receive said pins.

Claim 3

A crimping tool for crimping metal ferrules and the like, comprising: a. two pair of die members, each die member having an arcuate crimping surface, said surfaces being beveled at each end thereof, said die members further having arcuate projections on a surface generally opposite said crimping surface; b. two jaw members, each provided with a recess having inclined walls in which one pair of said die members are disposed so that said crimping surfaces thereon generally face each other; c. pivot means to permit pivotal movement of said die members relative to each other, said means including arcuate depressions in each of said inclined walls adapted to receive said arcuate projections on said die members d. operating means operatively connected to said jaw members to move same and said die members thereon toward each other whereby said crimping surfaces form a crimping area and said beveled ends cooperate to form inwardly facing angular grooves for receiving metal flowage from said ferrules as such are being crimped by said die members, and to move said jaw members and said die members thereon away from each other; and e. leaf springs in engagement with inner surfaces of said die members thereby maintaining said crimping surfaces directed away from each other at an inoperative position thereof.

Claim 4

A crimping tool for crimping metal ferrules and the like, comprising: a. two pair of die members, each die member having an arcuate crimping surface, said surfaces being beveled at each end thereof, said die members further having arcuate projections on a surface generally opposite said crimping surface; b. two jaw members, each provided with a recess having inclined walls in which one pair of said die members are disposed so that said crimping surfaces thereon generally face each other; c. pivot means to permit pivotal movement of said die members relative to each other, said means including arcuate depressions in each of said inclined walls adapted to receive said arcuate projections on said die members d. operating means operatively connected to said jaw members to move same and said die members thereon toward each other whereby said crimping surfaces form a crimping area and said beveled ends cooperate to form inwardly facing angular grooves for receiving metal flowage from said ferrules as such are being crimped by said die members, and to move said jaw members and said die members thereon away from each other; and e. leaf springs in engagement with inner surfaces of said die members thereby maintaining said crimping surfaces directed away from each other at an inoperative position thereof.

Claim 5

A tool for crimping ferrules and the like, which comprises: a. a pair of jaw members pivotally linked to each other, each member having an angular recess thereon; b. two pair of die members, each pair mounted in one of said recesses in said jaw members, said die members each having a concave arcuate crimping surface, said surfaces beveled at each end thereof; c. operating means operatively connected to said jaw members for moving said members and said die members mounted thereon toward each other whereby said crimPing surfaces form a crimping area and said beveled ends cooperate to form inwardly facing angular grooves for receiving metal-flowage from said ferrules as such are being crimped; d. spring means provided on said members to maintain said die members in a normally inoperative position with said crimping surfaces disposed away from each other; e. grooves positioned on each of said die members; and f. retaining members positioned on said jaw members, each of said retaining members having an inwardly projecting leg thereon for sliding engagement in said grooves on said die members thereby guiding said die members toward and away from each other.

Claim 6

A tool for crimping ferrules and the like, which comprises: a. a pair of jaw members pivotally linked to each other, each member having an angular recess thereon; b. two pair of die members, each pair mounted in one of said recesses in said jaw members, said die members each having a concave arcuate crimping surface, said surfaces beveled at each end thereof; c. operating means operatively connected to said jaw members for moving said members and said die members mounted thereon toward each other whereby said crimPing surfaces form a crimping area and said beveled ends cooperate to form inwardly facing angular grooves for receiving metal-flowage from said ferrules as such are being crimped; d. spring means provided on said members to maintain said die members in a normally inoperative position with said crimping surfaces disposed away from each other; e. grooves positioned on each of said die members; and f. retaining members positioned on said jaw members, each of said retaining members having an inwardly projecting leg thereon for sliding engagement in said grooves on said die members thereby guiding said die members toward and away from each other.

Claim 7

A crimping tool for use in crimping metal ferrules, which comprises: a. a pair of elongated handles each having a free end and a connecting end, said connecting ends being pivotally connected together; b. a pair of spaced apart plates extending from said elongated handles, each plate being connected at one end thereto to one of said handles near said connecting ends; c. a pusher member slidably mounted between said spaced apart plates and connected at one end to said connecting ends of said handles and having an outwardly facing slot at another end; d. a pair of die members each having a concave arcuate crimping surface with beveled ends thereon, said die members being pivotally mounted in said slot in said pusher member so that said crimping surfaces thereon are generally continuous and face outwardly from said pusher member; e. a pair of coil springs each positioned between said pusher member and one of said die members so that said crimping surfaces on said die members are biased away from each other; f. a pair of jaw members each pivotally connected intermediate the ends thereof to another end of one of said spaced apart plates, each jaw member having at one end and facing the other, a concave arcuate crimping surface so that when said jaw members are brought together, said crimping surfaces become generally continuous with each other and generally face inwardly toward said crimping surfaces on said first pair of die members; g. linking means for linking said pusher member to both of said jaw members so that as said pusher member slides towards said handles, said jaw members are pivoted away one from the other and as said pusher member slides away from said handles, said jaw members are pivoted toward each other to form a crimping area in cooperation with said die members on said pusher member.

Claim 8

A crimping tool for use in crimping metal ferrules, which comprises: a. a pair of elongated handles each having a free end and a connecting end, said connecting ends being pivotally connected together; b. a pair of spaced apart plates extending from said elongated handles, each plate being connected at one end thereto to one of said handles near said connecting ends; c. a pusher member slidably mounted between said spaced apart plates and connected at one end to said connecting ends of said handles and having an outwardly facing slot at another end; d. a pair of die members each having a concave arcuate crimping surface with beveled ends thereon, said die members being pivotally mounted in said slot in said pusher member so that said crimping surfaces thereon are generally continuous and face outwardly from said pusher member; e. a pair of coil springs each positioned between said pusher member and one of said die members so that said crimping surfaces on said die members are biased away from each other; f. a pair of jaw members each pivotally connected intermediate the ends thereof to another end of one of said spaced apart plates, each jaw member having at one end and facing the other, a concave arcuate crimping surface so that when said jaw members are brought together, said crimping surfaces become generally continuous with each other and generally face inwardly toward said crimping surfaces on said first pair of die members; g. linking means for linking said pusher member to both of said jaw members so that as said pusher member slides towards said handles, said jaw members are pivoted away one from the other and as said pusher member slides away from said handles, said jaw members are pivoted toward each other to form a crimping area in cooperation with said die members on said pusher member.