Universally damped tool holder

Claim 2

A tool holder damped against vibration over a wide range of vibration frequencies, comprising: a. a tool support member, b. tool mounting means on the support member for mounting a tool thereon, c. the support member having a recess adjacent the tool mounting means, d. within the recess a segmental, vibration-damping member comprising a stack of nested weighted pieces. e. the meeting faces of the pieces being in frictional contact with each other, the adjacent pieces having mating convex and concave contours of different angles, f. the longitudinal axis of the stack being substantially normal to the direction of vibrational movement of the support member and to the planes of the pieces, g. at leAst some of the pieces being spaced laterally from the recess sidewall, h. and resilient means bearing against the pieces in the longitudinal direction of the stack and maintaining the pieces in a normally centered position with respect to each other.

Claim 3

A tool holder damped against vibration over a wide range of vibration frequencies, comprising: a. a tool support member, b. tool mounting means on the support member for mounting a tool thereon, c. the support member having a recess adjacent the tool mounting means, d. within the recess a segmental, vibration-damping member comprising a stack of nested weighted pieces, e. the meeting faces of the pieces being in frictional contact with each other, the angles which the pairs of meeting surfaces of the pieces assume with respect to the longitudinal axis of the vibration damping member being different from each other, f. the longitudinal axis of the stack being substantially normal to the direction of vibrational movement of the support member and to the planes of the pieces, g. at least some of the pieces being spaced laterally from the recess sidewall, h. and resilient means bearing against the pieces in the longitudinal direction of the stack and maintaining the pieces in a normally centered position with respect to each other.

Claim 4

A tool holder damped against vibration over a wide range of vibration frequencies, comprising: a. a tool support member, b. tool mounting means on the support member for mounting a tool thereon, c. the support member having a recess adjacent the tool mounting means, d. within the recess a segmental, vibration-damping member comprising a stack of nested weighted pieces, e. the meeting faces of the pieces being in frictional contact with each other, the angles which the pairs of meeting surfaces of the pieces assume with respect to the longitudinal axis of the vibration damping member being different from each other, f. the longitudinal axis of the stack being substantially normal to the direction of vibrational movement of the support member and to the planes of the pieces, g. at least some of the pieces being spaced laterally from the recess sidewall, h. and resilient means bearing against the pieces in the longitudinal direction of the stack and maintaining the pieces in a normally centered position with respect to each other.

Claim 5

A tool holder damped against vibration over a wide range of vibration frequencies, comprising: a. a tool support member, b. tool mounting means on the support member for mounting a tool thereon, c. the support member having a recess adjacent the tool mounting means, d. within the recess a segmental, vibration-damping member comprising a stack of nested weighted pieces, e. the meeting faces of the pieces being in frictional contact with each other, at least one of the pieces having convexly arcuate opposite sidewalls and adjacent pieces having concavely angular sidewalls dimensioned to receive the said one of the pieces in nesting relation, f. the longitudinal axis of the stack being substantially normal to the direction of vibrational movement of the support member and to the planes of the pieces, g. at least some of the pieces being spaced laterally from the recess sidewall, h. and resilient means bearing against the pieces in the longitudinal direction of the stack and maintaining the pieces in a normally centered position with respect to each other.

Claim 6

A tool holder damped against vibration over a wide range of vibration frequencies, comprising: a. a tool support member, b. tool mounting means on the support member for mounting a tool thereon, c. the support member having a recess adjacent the tool mounting means, d. within the recess a segmental, vibration-damping member comprising a stack of nested weighted pieces, e. the meeting faces of the pieces being in frictional contact with each other, at least one of the pieces having convexly arcuate opposite sidewalls and adjacent pieces having concavely angular sidewalls dimensioned to receive the said one of the pieces in nesting relation, f. the longitudinal axis of the stack being substantially normal to the direction of vibrational movement of the support member and to the planes of the pieces, g. at least some of the pieces being spaced laterally from the recess sidewall, h. and resilient means bearing against the pieces in the longitudinal direction of the stack and maintaining the pieces in a normally centered position with respect to each other.

Claim 7

The tool holder of claim 3 wherein at least one of the pieces has flat opposite side surfaces and is in sliding contact with the recess sidewall.

Claim 8

A tool holder damped against vibration over a wide range of vibration frequencies, comprising: a. a tool support member, b. tool mounting means on the support member for mounting a tool thereon, c. the support member having a recess adjacent the tool mounting means, d. within the recess a segmental, vibration-damping member comprising a stack of nested weighted pieces, e. the meeting faces of the pieces being in frictional contact with each other, all of the pieces having angularly beveled surfaces providing the meeting surfaces of the opposite sides, f. the longitudinal axis of the stack being substantially normal to the direction of vibrational movement of the support member and to the planes of the pieces, g. at least some the pieces being spaced laterally from the recess sidewall, h. and resilient means bearing against the pieces in the longitudinal direction of the stack and maintaining the pieces in a normally centered position with respect to each other.

Claim 9

A tool holder damped against vibration over a wide range of vibration frequencies, comprising: a. a tool support member, b. tool mounting means on the support member for mounting a tool thereon, c. the support member having a recess adjacent the tool mounting means, d. within the recess a segmental, vibration-damping member comprising a stack of nested weighted pieces, e. the meeting faces of the pieces being in frictional contact with each other, all of the pieces having angularly beveled surfaces providing the meeting surfaces of the opposite sides, f. the longitudinal axis of the stack being substantially normal to the direction of vibrational movement of the support member and to the planes of the pieces, g. at least some the pieces being spaced laterally from the recess sidewall, h. and resilient means bearing against the pieces in the longitudinal direction of the stack and maintaining the pieces in a normally centered position with respect to each other.

Claim 10

A tool holder damped against vibration over a wide range of vibration frequencies, comprising: a. a tool support means, b. tool mounting means on the support member for mounting a tool thereon, c. the support member having a recess adjacent the tool mounting means, d, within the recess a segmental, vibration-damping member comprising a stack of nested weighted pieces, e. the meetIng faces of the pieces being in frictional contact with each other, f. the longitudinal axis of the stack being substantially normal to the direction of vibrational movement of the support member and to the planes of the pieces, g. at least some of the pieces being spaced laterally from the recess sidewall, h. and resilient means bearing against the pieces in the longitudinal direction of the stack and maintaining the pieces in a normally centered position with respect to each other, i. the pieces being centrally perforated and the assembly including a rod penetrating the perforations longitudinally of the stack and centering the pieces, alternate ones of the pieces being in sliding contact with the rod and alternate ones being spaced therefrom when the pieces are in their equilibrium stacked condition.

Claim 11

A tool holder damped against vibration over a wide range of vibration frequencies, comprising: a. a tool support means, b. tool mounting means on the support member for mounting a tool thereon, c. the support member having a recess adjacent the tool mounting means, d, within the recess a segmental, vibration-damping member comprising a stack of nested weighted pieces, e. the meetIng faces of the pieces being in frictional contact with each other, f. the longitudinal axis of the stack being substantially normal to the direction of vibrational movement of the support member and to the planes of the pieces, g. at least some of the pieces being spaced laterally from the recess sidewall, h. and resilient means bearing against the pieces in the longitudinal direction of the stack and maintaining the pieces in a normally centered position with respect to each other, i. the pieces being centrally perforated and the assembly including a rod penetrating the perforations longitudinally of the stack and centering the pieces, alternate ones of the pieces being in sliding contact with the rod and alternate ones being spaced therefrom when the pieces are in their equilibrium stacked condition.

Claim 12

A tool holder damped against vibration over a wide range of vibration frequencies, comprising: a. a tool support member, b. tool mounting means on the support member for mounting a tool thereon, c. the support member having a recess adjacent the tool mounting means, d. within the recess a segmental, vibration-damping member comprising a stack of nested weighted pieces, e. the meeting faces of the pieces being in frictional contact with each other, f. the longitudinal axis of the stack being substantially normal to the direction of vibrational movement of the support member and to the planes of the pieces, g. at least some of the pieces being spaced laterally from the recess sidewall, h. resilient means bearing against the pieces in the longitudinal direction of the stack and maintaining the pieces in a normally centered position with respect to each other, and i. a cap member interposed between the stack of pieces and the tool mounting means and bearing against the latter, the bearing surfaces of the cap member and tool mounting means diverging with reference to each other and to the longitudinal axis of the tool support member, the degree of divergence of the bearing surface of the tool mounting means with reference to the longitudinal axis of the support member being greater than the degree of divergence of the bearing surface of the cap member with respect thereto.

Claim 13

A tool holder damped against vibration over a wide range of vibration frequencies, comprising: a. a tool support member, b. tool mounting means on the support member for mounting a tool thereon, c. the support member having a recess adjacent the tool mounting means, d. within the recess a segmental, vibration-damping member comprising a stack of nested weighted pieces, e. the meeting faces of the pieces being in frictional contact with each other, f. the longitudinal axis of the stack being substantially normal to the direction of vibrational movement of the support member and to the planes of the pieces, g. at least some of the pieces being spaced laterally from the recess sidewall, h. resilient means bearing against the pieces in the longitudinal direction of the stack and maintaining the pieces in a normally centered position with respect to each other, and i. a cap member interposed between the stack of pieces and the tool mounting means and bearing against the latter, the bearing surfaces of the cap member and tool mounting means diverging with reference to each other and to the longitudinal axis of the tool support member, the degree of divergence of the bearing surface of the tool mounting means with reference to the longitudinal axis of the support member being greater than the degree of divergence of the bearing surface of the cap member with respect thereto.

Claim 14

A tool holder comprising: a. a hollow support member, b. tool mounting means on the support member for mounting a cutting tool thereon, c. a stabilizing rod mounted in the support member substantially coaxial therewith and laterally spaced therefrom, d. abutment means on the support member for longitudinal abutment by one end of the stabilizing rod, e. the abutment means and the stabilizing rod having meeting, bearing surfaces which are divergent with reference to each other and to the longitudinal axis of the support member, f. the degree of divergence of the bearing surface of the abutment means with reference to the longitudinal axis of the support member being greater than the degree of divergence of the bearing surface of the stabilizing rod end with respect thereto, g. and bearing surface of the abutment means thereby providing an inclined plane adapted to translate lateral displacement of the support member into longitudinal displacement of the stabilizing rod, h. resilient compression means mounted on the support member and positioned to oppose longitudinal displacement of the stabilizing rod, returning the rod toward an equilibrium position after each longitudinal displacement thereof, i. the stabilizing rod having a recess in the end adjacent the tool mounting means, j. within the recess a segmental secondary vibration-damping member comprising a stack of nested weighted pieces arranged longitudinally in the recess centrally thereof, their meeting faces being in frictional contact with each other, k. the longitudinal axis of the stack being substantially normal to the direction of vibrational movement of the support member and to the planes of the pieces, l. at least some of the pieces being spaced laterally from the recess sidewall, m. and resilient means bearing against the pieces in the longitudinal direction of the stack and maintaining the pieces in a normally centered position with respect to each other.

Claim 15

A tool holder comprising: a. a hollow support member, b. tool mounting means on the support member for mounting a cutting tool thereon, c. a stabilizing rod mounted in the support member substantially coaxial therewith and laterally spaced therefrom, d. abutment means on the support member for longitudinal abutment by one end of the stabilizing rod, e. the abutment means and the stabilizing rod having meeting, bearing surfaces which are divergent with reference to each other and to the longitudinal axis of the support member, f. the degree of divergence of the bearing surface of the abutment means with reference to the longitudinal axis of the support member being greater than the degree of divergence of the bearing surface of the stabilizing rod end with respect thereto, g. and bearing surface of the abutment means thereby providing an inclined plane adapted to translate lateral displacement of the support member into longitudinal displacement of the stabilizing rod, h. resilient compression means mounted on the support member and positioned to oppose longitudinal displacement of the stabilizing rod, returning the rod toward an equilibrium position after each longitudinal displacement thereof, i. the stabilizing rod having a recess in the end adjacent the tool mounting means, j. within the recess a segmental secondary vibration-damping member comprising a stack of nested weighted pieces arranged longitudinally in the recess centrally thereof, their meeting faces being in frictional contact with each other, k. the longitudinal axis of the stack being substantially normal to the direction of vibrational movement of the support member and to the planes of the pieces, l. at least some of the pieces being spaced laterally from the recess sidewall, m. and resilient means bearing against the pieces in the longitudinal direction of the stack and maintaining the pieces in a normally centered position with respect to each other.

Claim 16

The tool holder of claim 8 wherein the adjacent pieces have mating convex and concave contours of different angles.

Claim 17

The tool holder of claim 8 wherein the angles which the pairs of meeting surfaces of the pieces assume with respect to the longitudinal axis of the vibration damping member are different from each other.

Claim 18

The tool holder of claim 8 wherein at least one of the pieces has convexly arcuate opposite sidewalls and wherein adjacent pieces have concavely angular sidewalls dimensioned to receive the said one of the pieces in nesting relation.

Claim 19

The tool holder of claim 11 wherein at least one of the pieces has flat opposite side surfaces and is in sliding contact with the recess sidewall.

Claim 20

The tool holder of claim 8 wherein all of the pieces have angularly beveled surfaces providing the meeting surfaces of the opposite sides.

Claim 21

The tool holder of claim 8 wherein the pieces are centrally perforated and wherein the assembly includes a rod penetrating the perforations longitudinally of the stack and centering the pieces, alternate ones of the pieces being in sliding contact with the rod and alternate ones being spaced therefrom when the pieces are in their equilibrium stacked condition.

Claim 22

The tool holder of claim 8 including a cap member on the stabilizing rod interposed between the stack of pieces and abutment means on the support member and providing the bearing surface on the stabilizing rod engaging the bearing surface of the abutment means.