Abstract: A simple type power stapler has a main body 1, a punching arm 2, a housing frame 3, a hanging means 8 having a hook member 81 engaging with an upper portion of the punching arm 2 and a support portion 80 for supporting a lower portion of the housing frame 3, and a pushing member movable vertically by a motor 5 wherein a pair of support frames 22 are provided above the punching arm so as to accommodate the vertically movable pushing member; the punching arm 2 and the housing frame 3 descend by their own weight to lower their front end side F so that a lower surface 32 of the front end of the housing frame 3 pushes an upper surface of an object to be stapled W when the pushing member is moved downward; and the distance between the hook portions 81 and the support portion 80 of the hanging means 8 is determined to have a dimension which allows the downward movement of the front end side F of the punching arm 2 caused by the movement of the pushing member to its lowest position whereby staple pins P are punched o

Abstract: A power stapler is provided with a casing 1 composed of a pair of separably joined casting halves 1a and 1b, with a control circuit incorporated into a circuit board 66 which is located along an inner wall surface of one casing half 1a. Various component parts of the stapler, including staple punch which punches out staple pins one after another, a matrix anvil 61 for bending a punched staple pin, arm drive for driving a punching arm of the staple punch, a motor 40 or a drive source for the punching arm etc.

Abstract: In a motor-driven tape cutter including a cavity formed longitudinally on the upper side of a cutter body, a reel provided at one end of the cavity for supporting a ring-like roll of adhesive tape, a feed roller provided at the other end of the cavity for peeling and reeling out the leading end of the adhesive tape over a predetermined length, a backing roller and a presser roller adapted to grip the unreeled tape portion from opposite sides for straightening warping of the tape, a cutter blade for cutting the unreeled tape portion, a motor for driving the feed roller and the backing roller, a switch for actuating the motor, and a switch operating member which closes the switch in response to a tape cutting operation thereby reeling out a predetermined length of the ensuing tape portion, a cutter blade holder pivotally mounted on the front side of the cutter body to cover a fore end portion of the body cavity and at least part of the feed, backing and presser rollers and mounting the cutter blade and presser

Abstract: A reinforcing piece pasting an apparatus for pasting annular reinforcing piece around a binding which is punched before-hand on a document. The purpose of the invention is to provide a reinforcing piece pasting apparatus which, by a simple operation, enables one to feed a reinforcing piece to a prescribed position securely and one piece at a time, and to paste the reinforcing piece correctly around the binding hole.The reinforcing piece pasting apparatus in accordance with the present invention has a base, a frame, and a handle whose base end parts are combined pivotally so as to be turnable relative with each other and which are urged by springs in the direction to have their tip parts separated further away.