Tools – Wrench – screwdriver – or driver therefor – Machine
Patent
1981-03-17
1983-11-08
Jones, Jr., James L.
Tools
Wrench, screwdriver, or driver therefor
Machine
81 5724, 81 574, B25B 1700
Patent
active
044135386
ABSTRACT:
A latch mechanism and a self-supporting tool incorporating the latch mechanism are disclosed herein. The tool comprises a housing, a power transmission, a powered shaft and workpiece engaging means. The workpiece engaging means is secured to the housing and adapted to engage the workpiece in use such that the workpiece may be restrained against longitudinal and rotational movement with respect to the housing when worked by operation of the powered shaft. The latching system comprises a latch support on the housing which has a latching shoulder which projects laterally at one end thereof. A latch head is disposed outwardly from the shoulder and latching means is mounted on the head for movement between a retracted configuration in line with the head and an extended position projecting laterally from the head to overlie the shoulder and clamp a workpiece therebetween. The latch is activated by an actuator which is operable to effect movement of the latch between the extended and retracted positions in use.
REFERENCES:
patent: 1020964 (1912-03-01), Caswell
patent: 1762796 (1930-06-01), Ridenour
patent: 1804843 (1931-05-01), Santiago
patent: 2098134 (1937-11-01), Cook et al.
patent: 3007686 (1961-11-01), Pearson
patent: 3175388 (1965-03-01), Ford et al.
patent: 3491837 (1970-01-01), Seecombe et al.
Jones Jr. James L.
Spar Aerospace Limited
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