Belt feeding device for stapler
OwnerShih Chang Huanginventor
Life of this patent
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Abstract
A belt feeding device for feeding a belt of a stapler includes a casing slidable and movable inward and outward of a housing and having a guide passage for receiving the belt. A rotary member is unidirectionally secured on in the casing with a shaft and includes a number of outer projections for engaging with and for feeding the belt step by step. The rotary member may be rotated relative to the casing step by step when the casing moves inward and outward of the housing. A spring member may be engaged with the rotary member for positioning the rotary member to said casing.
Claims7
A belt feeding device for feeding a belt of a stapler, said belt feeding device comprising:
- a housing,
- a casing slidably engaged in said housing and movable inward and outward of said housing, said casing including a guide passage formed therein for receiving the belt,
- a shaft rotatably received in said casing,
- a rotary member unidirectionally secured on said shaft and to be rotated in an active direction by said shaft and to be rotated freely relative to said shaft in a reverse direction, said rotary member including an outer peripheral portion having a plurality of projections extended outward therefrom for engaging with and for feeding the belt,
- means for rotating said shaft relative to said casing to rotate said rotary member relative to said casing step by step when said casing moves inward and outward of said housing, and
- means for positioning said rotary member to said casing when said rotary member rotates relative to said casing step by step.
Dependencies are inferred from the claim text.