Ratchet screwdriver with actuator cap and method
View Patent ↗A ratchet screwdriver having a base assembly including a handle and an insert, and having a can rotatable on the base assembly, and there is pawl mechanism which is controlled by the cap. There is an intervening member in the form of a detent to serve as a stop for restricting the axial movement of the cap relative to the base assembly, so the cap cannot be removed from the base assembly until the detent is released. The detent, or other parts of the screwdriver, can serve as a rotation stop for the can which has selective positions for setting the ratcheting position of the screwdriver.
1. A method pertaining to a ratchet screwdriver having an elongated axis for controlling rotational and axial movement of a cap on a ratchet screwdriver which has a base assembly and a pawi mechanism and a cap axially movable and rotatable on the base assembly and operative to actuate the pawl mechanism upon rotation of the cap, the steps comprising:
interposing a movable restrainer between said base assembly and said cap and having said restrainer movable radially relative to said axis for restraining said cap against both rotational and axial movement relative to said base assembly when said restrainer is in a first position relative to said base assembly
interposing a spring between said base assembly and said movable restrainer and applying said spring against said restrainer for yieldingly urging said restrainer into said first position, and communication with said restrainer and depressing said restrainer radially relative to said axis and against said spring for urging said restrainer away from said first position and into a second position to thereby release and remove said cap from both the rotation and axial movement restriction relative to said base assembly.
2. The method pertaining to a ratchet screwdriver, as claimed in claim 1 , further comprising:
mounting said cap to encircle said base assembly and mounting said restrainer on said base assembly and have it extend into contact with said cap in said first position and be movable radially inwardly toward said axis, and
depressing said restrainer radially inwardly to said second position for the release of said cap.
3. The method pertaining to a ratchet screwdriver, as claimed in claim 1 , further comprising:
initially forming a plurality of holes in said cap and extending parallel to said axis, and
subsequently forming a groove in said cap to intersect said holes and having said holes and said groove respectively receive said restrainer for respective rotational positioning and axial restraint of said cap relative to said base assembly.
4. The method pertaining to a ratchet screwdriver, as claimed in claim 1 , further comprising:
mounting said restrainer on said cap,
providing a recess in said base assembly, and
arranging said recess and said restrainer for snug fit of said restrainer in said recess to provide the rotational and axial restraint of said cap.