Torque and backstop device for winches

Claim 2

In a backstop-action-type silent infinitely variable reciprocating-to-unidirectional motion converter, the combination of a cylindrical spindle having a cylindrical peripheRy symmetrical about a longitudinal axis, a first torquetransmitting member fixed to said spindle, a second torquetransmitting member mounted for rotation about said axis and having a cylindrical bore symmetrical about said axis, a first combined drawn cup roller clutch and bearing assembly fixed in the bore of said second torque-transmitting member in operative relation to said bore and periphery to effect backstop action with respect to relative motion in one direction between said spindle and second torque-transmitting member for constraining said rotation with respect to said spindle to a single direction about said axis, a third torque-transmitting member mounted for rotation about said axis and having a portion with a cylindrical periphery symmetrical about said axis, and a second combined drawn cup roller clutch and bearing assembly fixed in the bore of said second torque-transmitting member in operative relation to said bore and last mentioned periphery to effect backstop action with respect to relative motion in one direction between said third and second torque-transmitting members for constraining said third torque-transmitting member to a direction opposite said single direction.

Claim 3

The combination as in claim 1 wherein said cylindrical spindle has two ends, said first torque-transmitting member is a winch base rigidly engaging one of said ends and adapted for mounting to a reference support, and said second torque-transmitting member is a winch drum.

Claim 4

The combination as in claim 2 wherein said third torque-transmitting member is adapted for receiving a lever for application of torque thereto about said axis.

Claim 5

The combination as in claim 2 wherein said third torque-transmitting member is a winch top structure at said other end of said spindle and adapted for receiving a lever for manual application of torque thereto about said axis.

Claim 6

The combination as in claim 4 wherein both said clutches are in the form of combined drawn cup roller clutch and roller bearing assemblies with each assembly having said roller clutch between two spaced-apart sets of roller bearings.

Claim 7

The combination as in claim 5 having additionally sealing means between said relative moving members and positioned for preventing moisture from reaching said clutches.

Claim 8

In a backstop-type silent infinitely variable reciprocating-to-unidirectional motion converter, the combination of a cylindrical spindle with two ends, a longitudinal axis, a lower portion adjacent one end and a smaller diameter upper portion adjacent the other end; a winch base rigidly fixed to one end of said spindle adapted for mounting to a reference support; a winch drum having a cylindrical bore symmetrical about said axis and carrying with a press fit therein two combined drawn cup roller clutch and bearing assemblies with each assembly having a roller clutch between two spaced-apart sets of roller bearings and one of said assemblies in operative engagement with said lower spindle portion and having backstop action with respect to relative motion in one direction between said spindle and winch drum for constraining said rotation with respect to said spindle to a single direction about said axis; a winch top structure adapted for receiving a lever for application of torque thereto about said axis and having a sleeve extension on said upper spindle portion for rotation about said axis and a periphery in operative engagement with the other combined drawn cup roller clutch and bearing assembly with backstop action in respect to relative motion in one direction between said winch top structure and winch drum for constraining said winch top structure rotation with respect to said winch drum to a direction opposite said single direction.

Claim 9

In a backstop-type silent infinitely variable reciprocating-to-unidirectional motion converter, the combination of a cylindrical spindle with two ends, a longitudinal axis, a lower portion adjacent one end and a smaller diameter upper portion adjacent the other end; a winch base rigidly fixed to one end of said spindle adapted for mounting to a reference support; a winch drum having a cylindrical bore symmetrical about said axis and carrying with a press fit therein two combined drawn cup roller clutch and bearing assemblies with each assembly having a roller clutch between two spaced-apart sets of roller bearings and one of said assemblies in operative engagement with said lower spindle portion and having backstop action with respect to relative motion in one direction between said spindle and winch drum for constraining said rotation with respect to said spindle to a single direction about said axis; a winch top structure adapted for receiving a lever for application of torque thereto about said axis and having a sleeve extension on said upper spindle portion for rotation about said axis and a periphery in operative engagement with the other combined drawn cup roller clutch and bearing assembly with backstop action in respect to relative motion in one direction between said winch top structure and winch drum for constraining said winch top structure rotation with respect to said winch drum to a direction opposite said single direction.

Claim 10

The combination as in claim 7 wherein said spindle has at said other end a peripheral groove with a retaining ring carried therein for constraining said winch top structure to rotary movement about said axis.

Claim 11

The combination as in claim 7 having additionally a screw extending into said upper spindle portion along said axis for constraining said winch top structure to only rotary movement about said axis.

Claim 12

In a winch, the combination of an elongated spindle having two ends and a cylindrical periphery symmetrical about a longitudinal axis, a base rigidly engaging one of said ends and adapted for mounting said winch to a reference support, a winch drum having a cylindrical bore symmetrical about said axis and mounted on said spindle for rotation about said axis, and a combined drawn cup roller clutch and bearing assembly fixed in said bore of said winch drum in operative relation to said periphery and bore to effect a backstopping relation to relative movement in one direction between said winch drum and spindle for providing confinement of said rotation to a single direction about said axis.

Claim 13

In a winch, the combination of an elongated spindle having two ends and a cylindrical periphery symmetrical about a longitudinal axis, a base rigidly engaging one of said ends and adapted for mounting said winch to a reference support, a winch drum having a cylindrical bore symmetrical about said axis and mounted on said spindle for rotation about said axis, and a combined drawn cup roller clutch and bearing assembly fixed in said bore of said winch drum in operative relation to said periphery and bore to effect a backstopping relation to relative movement in one direction between said winch drum and spindle for providing confinement of said rotation to a single direction about said axis.

Claim 14

In a backstop-type silent infinitely variable reciprocating-to-unidirectional motion converter, the combination of a cylindrical spindle with two ends, a longitudinal axis, a lower portion adjacent one end and a smaller diameter upper portion adjacent the other end; a winch base rigidly fixed to one end of said spindle and adapted for mounting to a reference support; a winch drum having a cylindrical bore symmetrical about said axis and carrying with a press fit therein two combined drawn cup roller clutch and bearing assemblies with one of said assemblies in operative engagement with said lower spindle portion and having backstop action with respect to relative motion in one direction between said spindle and winch drum for constraining said rotation with respect to said spindle to a single direction about said axis; a winch top structure adapted for receiving a lever for application of torque thereto about said axis and having a sleeve extension on said upper spindle portion for rotation about said axis and a periphery in operative engagement with the other combined drawn cup roller clutch and bearing assembly with backstop action in respect to relative motion in one direction between said winch top structure and winch drum for constraining said winch top structure rotation with respect to said winch drum to a direction opposite said single direction; said spindle having at said other end a peripheral groove with a retainer ring carried therein for constraining said winch top structure to a rotary movement about said axis; and a sealing cap over said other end and an O-ring sealing structure engaging said winch drum above said other clutch assembly; and an O-ring sealing structure engaging said winch drum beneath said one clutch assembly.

Claim 15

In a backstop-type silent infinitely variable reciprocating-to-unidirectional motion converter, the combination of a cylindrical spindle with two ends, a longitudinal axis, a lower portion adjacent one end and a smaller diameter upper portion adjacent the other end; a winch base rigidly fixed to one end of said spindle and adapted for mounting to a reference support; a winch drum having a cylindrical bore symmetrical about said axis and carrying with a press fit therein two combined drawn cup roller clutch and bearing assemblies with one of said assemblies in operative engagement with said lower spindle portion and having backstop action with respect to relative motion in one direction between said spindle and winch drum for constraining said rotation with respect to said spindle to a single direction about said axis; a winch top structure adapted for receiving a lever for application of torque thereto about said axis and having a sleeve extension on said upper spindle portion for rotation about said axis and a periphery in operative engagement with the other combined drawn cup roller clutch and bearing assembly with backstop action in respect to relative motion in one direction between said winch top structure and winch drum for constraining said winch top structure rotation with respect to said winch drum to a direction opposite said single direction; said spindle having at said other end a peripheral groove with a retainer ring carried therein for constraining said winch top structure to a rotary movement about said axis; and a sealing cap over said other end and an O-ring sealing structure engaging said winch drum above said other clutch assembly; and an O-ring sealing structure engaging said winch drum beneath said one clutch assembly.

Claim 16

In a backstop-type silent infinitely variable reciprocating-to-unidirectional motion converter, the combination of a cylindrical spindle with two ends, a longitudinal axis, a lower portion adjacent a screw thread at one end and a smaller diameter upper portion adjacent the other end; a winch base adapted for mounting to a reference support and having a threaded hole about said axis engaging said screw thread for rigidly fixing said base to said one end of the spindle; a winch drum having a cylindrical bore symmetrical about said axis and carrying with a press fit therein two combined drawn cup roller clutch and bearing assemblies with one of said assemblies in operative engagement with said lower spindle portion and having backstop action with respect to relative motion in one direction between said spindle and winch drum for constraining said rotation with respect to said spindle to a single direction about said axis; a winch top structure adapted for receiving a lever for application of torque thereto about said axis and having a sleeve extension on said upper spindle portion for rotation about said axis and a periphery in operative engagement with the other combined drawn cup roller clutch and bearing assembly with backstop action with respect to relative motion in one direction between said winch top structure and winch drum for constraining said winch top structure rotation with respect to said Winch drum to a direction opposite said single direction; said spindle having at said other end a peripheral groove with a retainer ring carried therein for constraining said winch top structure to a rotary movement about said axis; and said base and spindle screw threads being of a direction tending to tighten said spindle to said base in the backstopping action direction of said one clutch assembly.

Claim 17

In a backstop-type silent infinitely variable reciprocating-to-unidirectional motion converter, the combination of a cylindrical spindle with two ends, a longitudinal axis, a lower portion adjacent a screw thread at one end and a smaller diameter upper portion adjacent the other end; a winch base adapted for mounting to a reference support and having a threaded hole about said axis engaging said screw thread for rigidly fixing said base to said one end of the spindle; a winch drum having a cylindrical bore symmetrical about said axis and carrying with a press fit therein two combined drawn cup roller clutch and bearing assemblies with one of said assemblies in operative engagement with said lower spindle portion and having backstop action with respect to relative motion in one direction between said spindle and winch drum for constraining said rotation with respect to said spindle to a single direction about said axis; a winch top structure adapted for receiving a lever for application of torque thereto about said axis and having a sleeve extension on said upper spindle portion for rotation about said axis and a periphery in operative engagement with the other combined drawn cup roller clutch and bearing assembly with backstop action with respect to relative motion in one direction between said winch top structure and winch drum for constraining said winch top structure rotation with respect to said Winch drum to a direction opposite said single direction; said spindle having at said other end a peripheral groove with a retainer ring carried therein for constraining said winch top structure to a rotary movement about said axis; and said base and spindle screw threads being of a direction tending to tighten said spindle to said base in the backstopping action direction of said one clutch assembly.

Claim 18

In a backstop-type silent infinitely variable reciprocating-to-unidirectional motion winch, the combination of a spindle having a cylindrical periphery symmetrical about a longitudinal axis, a winch base rigidly fixed to said spindle and adapted for mounting to a reference support; a winch drum having a cylindrical bore symmetrical about said axis and carrying fixed therein two roller clutch and bearing assemblies with one of said assemblies in operative engagement with said spindle periphery and cylindrical bore for providing backstop action with respect to relative motion in one direction between said spindle and winch drum for constraining rotation with respect to said spindle to a single direction about said axis, a third winch member adapted for receiving a lever for application of torque thereto about said axis and having a portion with a cylindrical periphery symmetrical about said axis, the other roller clutch and bearing assembly being in operative engagement with said cylindrical bore and last mentioned cylindrical periphery for providing backstop action with respect to relative motion in one direction between said third winch member and winch drum for constraining said third winch member rotation with respect to said winch drum to a direction opposite said single direction.

Claim 19

In a backstop-type silent infinitely variable reciprocating-to-unidirectional motion winch, the combination of a spindle having a cylindrical periphery symmetrical about a longitudinal axis, a winch base rigidly fixed to said spindle and adapted for mounting to a reference support; a winch drum having a cylindrical bore symmetrical about said axis and carrying fixed therein two roller clutch and bearing assemblies with one of said assemblies in operative engagement with said spindle periphery and cylindrical bore for providing backstop action with respect to relative motion in one direction between said spindle and winch drum for constraining rotation with respect to said spindle to a single direction about said axis, a third winch member adapted for receiving a lever for application of torque thereto about said axis and having a portion with a cylindrical periphery symmetrical about said axis, the other roller clutch and bearing assembly being in operative engagement with said cylindrical bore and last mentioned cylindrical periphery for providing backstop action with respect to relative motion in one direction between said third winch member and winch drum for constraining said third winch member rotation with respect to said winch drum to a direction opposite said single direction.