Tools – Wrench – screwdriver – or driver therefor – Machine
Patent
1990-06-21
1991-09-03
Smith, James G.
Tools
Wrench, screwdriver, or driver therefor
Machine
81 5714, 81 56, B25B 2304
Patent
active
050442252
ABSTRACT:
A pneumatic nut installation tool has a plunger assembly which advances from a retracted position near the rear of the tool through a nut pickup station to an extended position extending from the front of the tool. A nut shuttle delivers a nut in front of the plunger assembly before it reaches the nut pickup station and retracts away from the nut pickup station before the plunger assembly moves through that station. The nut is picked up on an assembly that includes a split spring ring which engages the bore of the nut. The spring ring is mounted on a fixed member, which also includes a hexagonal key for preventing rotation of a bolt as the nut is threaded onto it. A rotating nut driver moves over the outside of the nut picked up by the pickup assembly for threading the nut onto a bolt.
REFERENCES:
patent: 3247741 (1966-04-01), Batten
patent: 3750257 (1973-08-01), Berecz
patent: 4260005 (1989-04-01), Stencel
patent: 4602537 (1986-07-01), Dixon
patent: 4617844 (1986-10-01), Batten
patent: 4945789 (1990-08-01), Martinengo
Drawing No. D119248, Huck Manufacturing Company.
Hi-Shear Corporation, Tool Catalog, HLA1032, 4 Sheets, 1971.
Hi-Shear Corporation, Tool Catalog, HLA1102, 4 Sheets, 1971.
Huck Manufacturing Co., Instruction Manual For Model 435-In-Line Automatic Collar Feeding Device, HK693L 3-15-84.
Smith James G.
VSI Corporation
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