Shifting Tight Screws
Page 30
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THAT it will remove a screw, even when it is rusted in, is a claim made by Moss Agencies, Ltd., High Street, Leamington Spa, for the Booster screwdriver, a tool which should certainly exert a stronger turning force than any ordinary screwdriver.
It is constructed entirely of steel and the blade passes up inside the hollow handle. The end of the blade is given a slight twist, like that of a quick Archimedean screw, so that if it be forced into the handle it must rotate.
A light spring also enclosed in the handle tends to force the blade outwards. Thus, the driver can be engaged in a screw slot and if the end of the handle be then struck, a strong turning effort is exerted. Actually, the blade is double-ended, with opposite twists at the two ends,. By reversing the blade, a simple operation, the Booster can be used either for tightening or for removing screws. A spare blade with wider ends is supplied with the tool.
To add to the utility of this implement a small punch is incorporated in the end of the handle alongside the
screwdriver blade. To lock a screw which has been driven into metal, -the handle of the Booster has simply to be pushed right down against its spring. When the punch touches the edge of the screw head, a blow with a hammer. will finish the work.
The price, complete with two blades,“ is 27s. 6d. retail.