Low-friction retractor

Claim 2

IN A DOOR LOCK DEVICE, A FRAME ASSEMBLY AND A SPINDLE ROTATABLY MOUNTED ON THE FRAME ASSEMBLY HAVING A ROTATIONALLY FACING DRIVING AREA THEREON, THE COMBINATION OF A MULTIPLE PIECE RETRACTOR SLIDE MOUNTED ON SAID FRAME FOR OPERATING A LATCH BOLT ASSEMBLY COMPRISING A MOLDED NONMETALLIC LOW-FRICTION MATERIAL HAVING SURFACES ON OPPOSITE SIDES IN SLIDLING ENGAGEMENT WITH THE FRAME ASSEMBLY, A SHOULDER IN A POSITION OF ENGAGEMENT WITH SAID DRIVING AREA, AND AN END EDGE ON SAID SLIDE ADAPTED TO FACE IN THE DIRECTION OF THE LATCH BOLT ASSEMBLY, SAID EDGE HAVING AN OPENING THEREIN, AND METAL INSERT MEANS EMBEDDED IN SAID SLIDE, SAIN INSERT MEANS HAVING JAWS EXTENDING TOWARD EACH OTHER ACROSS SAID OPENING AND LEAVING A SPACE THEREBETWEEN FOR ENGAGEMENT WITH SAID LATCH BOLT ASSEMBLY.

Claim 3

IN A DOOR LOCK DEVICE, A FRAME ASSEMBLY COMPRISING AXIALLY SPACED PARALLEL TRANSVERSE FACES AND DIAMETRICALLY SPACED PARALLEL WALLS CONNECTING SAID FACES, A LATCH BOLT ASSEMBLY, A SPINDLE ROTATABLY MOUNTED ON THE FRAME COMPRISING AT LEAST ONE RETACTOR ARM AT THE INNER END EXTENDING IN A GENERALLY RADIALLY OUTWARD DIRECTION RELATIVE TO THE SPINDLE, A ROTATIONALLY FACING DRIVING AREA ON SAID RETRACTOR ARM, THE COMBINATION OF A RETRACTOR SLIDE MOUNTED IN SAID FRAME FOR OPERATING A LATCH BOLT ASSEMBLY, SAID RETRACTOR SLIDE COMPRISING A METAL BODY HAVING A HEIGHT AND BREADTH SMALLER THAN THE HEIGHT AND BREADTH OF THE FRAME, AND A MOLDED SHOE OF NONMETALLIC LOW-FRICTION MATERIAL ON EACH DIAMETRICALLY OPPOSITE EDGE OF SAID SLIDE EACH SHOE HAVING AN EDGE FACE EXTENDING ALONG AND FORMING AN OUTERMOST EDGE FACE OF THE RETRACTOR SLIDE IN SLIDING ENGAGEMENT WITH THE RESPECTIVE WALL OF THE FRAME, EACH SAID SHOE HAVING OPPOSITE SIDE ELEMENTS EXTENDING OVER OPPOSITE SIDE FACES OF THE RETRACTOR SLIDE TO LOCATIONS WIDER THAN THE RETRACTOR SLIDE AND IN SLIDING ENGAGEMENT WITH RESPECTIVE TRANSVERSE FACES OF THE FRAME, AND EACH SAID SHOE HAVING AT LEAST ONE SHOULDER IN CONTACT WITH THE DRIVING AREA OF THE RETRACTOR ARM.

Claim 4

IN A DOOR LOCK DEVICE, A FRAME ASSEMBLY COMPRISING AXIALLY SPACED PARALLEL TRANSVERSE FACES AND DIAMETRICALLY SPACED PARALLEL WALLS CONNECTING SAID FACES, A LATCH BOLT ASSEMBLY, A SPINDLE ROTATABLY MOUNTED ON THE FRAME COMPRISING AT LEAST ONE RETACTOR ARM AT THE INNER END EXTENDING IN A GENERALLY RADIALLY OUTWARD DIRECTION RELATIVE TO THE SPINDLE, A ROTATIONALLY FACING DRIVING AREA ON SAID RETRACTOR ARM, THE COMBINATION OF A RETRACTOR SLIDE MOUNTED IN SAID FRAME FOR OPERATING A LATCH BOLT ASSEMBLY, SAID RETRACTOR SLIDE COMPRISING A METAL BODY HAVING A HEIGHT AND BREADTH SMALLER THAN THE HEIGHT AND BREADTH OF THE FRAME, AND A MOLDED SHOE OF NONMETALLIC LOW-FRICTION MATERIAL ON EACH DIAMETRICALLY OPPOSITE EDGE OF SAID SLIDE EACH SHOE HAVING AN EDGE FACE EXTENDING ALONG AND FORMING AN OUTERMOST EDGE FACE OF THE RETRACTOR SLIDE IN SLIDING ENGAGEMENT WITH THE RESPECTIVE WALL OF THE FRAME, EACH SAID SHOE HAVING OPPOSITE SIDE ELEMENTS EXTENDING OVER OPPOSITE SIDE FACES OF THE RETRACTOR SLIDE TO LOCATIONS WIDER THAN THE RETRACTOR SLIDE AND IN SLIDING ENGAGEMENT WITH RESPECTIVE TRANSVERSE FACES OF THE FRAME, AND EACH SAID SHOE HAVING AT LEAST ONE SHOULDER IN CONTACT WITH THE DRIVING AREA OF THE RETRACTOR ARM.