Patent ID: 7568296

Claim:
A construction for prevention of loosening and position fixing of one end of a tape ruler, comprising: a main housing having a handle portion disposed above said main housing and fixed thereto for a person to hold; a wound extractable rule tape having a free end installed in said main housing below said handle portion, and a winding element and a shaft formed at an inner end of said winding element inside of said main housing for said rule tape to be wound on; a buckle ring firmly attached to the free end of said rule tape; characterized in that: said buckle ring is made of a material that is attracted by magnetic force, and a magnetic element is attached to a portion of said main housing near the free end of said rule tape for said buckle ring to be firmly attached thereto; and wherein said handle portion includes a hollow space and a removable fixing element disposed in said hollow space and a cover for covering said hollow space in said handle portion fixed to one end of said fixing element.